1. He was greatly disappointed to be failed again. ?

No improvement

to failed

by being failed

on failing

Answer: on failing

Explanation:


2. We urgently need well qualified teachers for our school. ?

no improvement

for ours school

to ours school

to our school

Answer: no improvement

Explanation:


3. Chillies have a strong, spicy taste that tingle your taste buds. ?

No improvement

who is tingling

that tingles

which tingle

Answer: that tingles

Explanation:


4. He waits to you for about two hours. ?

has been waiting

has waiting for you

No substitution

has been waiting for you

Answer: has been waiting for you

Explanation:


5. Our cook puts too many salt in the food. ?

No improvement

putting too much

puts too much

puts very much

Answer: puts too much

Explanation:


6. I 'm afraid I am not knowing how to swim so i can't join you all that day. ?

I'm afraid I do not know

I are afraid I be not knowing

I'm afraid I is not knowing

No improvement

Answer: I'm afraid I do not know

Explanation:


7. What a relief to sit down after walking in the park from a hour! ?

by an hour

No improvement

for an hour

in a hour

Answer: for an hour

Explanation:


8. “ I'm afraid I must left now,” said the guest after the inaugural function was over. ?

I'm afraid I has to be leaving now

I'm afraid I can left now

No improvement

I'm afraid I must leave now

Answer: I'm afraid I must leave now

Explanation:


9. The government has adopted a tough stance with respect of terror and security. ?

in respect of

about respect to

No improvement

with respect to

Answer: with respect to

Explanation:


10. The rising prices of essential food items have placed a weighty burden on the poor. ?

No improvement

enormous

trivial

lightest

Answer: enormous

Explanation: