sensitive to will replace sensitive of because –
Look at the examples given below :
She is very sensitive to other people’s feelings.
My teeth are sensitive to cold food.
Hence, have to be sensitive to is the right usage

Correct Option: B

sensitive to will replace sensitive of because –
Look at the examples given below :
She is very sensitive to other people’s feelings.
My teeth are sensitive to cold food.
Hence, have to be sensitive to is the right usage

to will replace over because –
to (Prep.) is used for denoting comparison.
Look at the examples given below :
She is junior to me.
The ratio of rice and pulse is two to one.
Hence, to the doctor’s is the right usage

Correct Option: C

to will replace over because –
to (Prep.) is used for denoting comparison.
Look at the examples given below :
She is junior to me.
The ratio of rice and pulse is two to one.
Hence, to the doctor’s is the right usage

waits will replace wait because –
Time and tide (Main Subject) is in Singular. Hence, the Verb will also be in Singular as a Verb agrees with its Subject in Number.
Singular Subject®Singular Verb (Main Verb + s)
Plural Subject®Plural Verb (Main Verb without s)

Correct Option: B

waits will replace wait because –
Time and tide (Main Subject) is in Singular. Hence, the Verb will also be in Singular as a Verb agrees with its Subject in Number.
Singular Subject®Singular Verb (Main Verb + s)
Plural Subject®Plural Verb (Main Verb without s)

I will replace me because –
me is the Objective Case of I. In the place of a subject, we always use Nominative Case
Look at the examples given below :
Sheela and me are doing our homework together. (×)
Sheela and I are doing our homework together ( )
Hence, Both I is the right usage.

Correct Option: A

I will replace me because –
me is the Objective Case of I. In the place of a subject, we always use Nominative Case
Look at the examples given below :
Sheela and me are doing our homework together. (×)
Sheela and I are doing our homework together ( )
Hence, Both I is the right usage.

between 1991 and 1995 will replace between 1991 to 1995 because –
between is used with and
from 1991 to 1995 can also replace between 1991 to 1995 because –
from is used with to
to is never used with between
Look at the examples given below :
We are open between 8 a.m. and 7 p.m. daily.
We are open from 8 a.m. to 7 p.m. daily.

Correct Option: B

between 1991 and 1995 will replace between 1991 to 1995 because –
between is used with and
from 1991 to 1995 can also replace between 1991 to 1995 because –
from is used with to
to is never used with between
Look at the examples given below :
We are open between 8 a.m. and 7 p.m. daily.
We are open from 8 a.m. to 7 p.m. daily.