— I think the man over there must be Bob.
— It _______ be him. He has gone to England.
| A．can’t | B．mustn’t | C．couldn’t | D．shouldn’t |
—Lucy, could you help me, please?
—
A．Thank you! B．Yes. What’s up? C．I’d love to.
It’s time now.
A．to go to school B．to go school C．go to school
—Hello! Who’s this?
—
A．I’m Tom. B．That’s Tom. C．This is Tom.
The man a doctor. The are nurses.
A．is, woman B．are, women C．is, women
does your father ?
A．What, do B．What, does C．Where, do