All of the children enjoy ________ the popular song．

A．to sing

B．sing

C．singing

D．to singing

There was hardly a cloud in the sky at that time, ________?

A．wasn’t there

B．wasn’t it

C．was there

D．it wasn’t

The smog smelled very ________．

A．worse

B．worst

C．badly

D．bad

－I’ve troubled you so much, Doctor?

－________．

A．Thank you

B．You’re welcome

C．Never mind

D．That’s very kind of you

My father had the radio ________ last week．

A．repair

B．repaired

C．repairing

D．to repair

My parents have only one child, so I have ________ brothers ________ sisters．

A．either; or

B．neither; nor

C．both; and

D．no; but

Chongqing is bigger than ________ in Japan．

A．any other city

B．all the other cities

C．any city

D．the other cities

－________ Jenny ________ the house?

－Yes, she is．

A．Is; cleaning

B．Does; clean

C．Has; cleaned

D．Did; clean

They sang happily．They must ________ the examination．

A．pass

B．have passed

C．passed

D．passing

May I ________ your umbrella?Sorry, I can’t ________ it to you because it’s broken．

A．borrow; lent

B．lent; borrow

C．borrow; lend

D．lend; borrow