“Is Jack on duty today?”“It ____ be him. It’s his turn tomorrow.”
| A．mustn’t | B．won’t | C．needn’t | D．can’t |
New Zealand _____________the Maori tribe.
| A．is the home to | B．is home to | C．settle down in | D．is a home of |
We will have modern equipment ______ things that are complicated. This will make things simple.
| A．to assist us with | B．assist us to | C．to assist us in | D．assisting us with . |
She was happy to devote herself _________gymnastics.
| A．for | B．about | C．in | D．to |
By the time she_____体操比赛上 at the New York Good Will Games, she_________ a dedicated junior gymnast for eleven years.
| A．competed , have been | B．competes, had been |
| C．will compete, has been | D．competed , had been |
As Polly was riding on the train, she sensed that she was _____ by a tall man in a dark coat.
| A．being stared | B．being watched | C．being attached | D．glanced |