－________ it be Li Ping who broke the glass?

－No．It ________ be Wu Dong who did it．

A．Can; must

B．Must; need

C．May; must

D．Need; can

The bike that you ________ by that man went wrong again．

A．had repaired

B．had had repaired

C．had to repair

D．had had to repair

The first use of atomic weapons was in 1945, and their power ________ increased enormously ever since．

A．is

B．was

C．has been

D．had been

Mrs．White became a teacher in 1985．She ________ for twenty years by next summer．

A．will teach

B．would have taught

C．has been teaching

D．will have been teaching

－Mum, why do you always make me eat an egg every day?

－________ enough protein and nutrition as you are growing up．

A．Get

B．Getting

C．To get

D．To be getting

－Did you have a good time at the party?

－Thanks．I appreciated ________ to your home．

A．to be invited

B．to have invited

C．being invited

D．having invited

It is foolish ________ such a mistake．

A．for him to make

B．for him making

C．of him making

D．of him to make

There is no point ________ time．

A．to waste

B．waste

C．in a waste of

D．in wasting

The flowers ________ sweet in the botanic garden attract the visitors to the beauty of nature．

A．to smell

B．smelling

C．smelt

D．to be smelt

Sarah, hurry up．I’m afraid you won’t have time to ________ before the party．

A．get changed

B．get change

C．get changing

D．get to change