一I’m sorry! I would have taken him to hospital if I had known he was seriously ill.
一But ______ .
| A．you didn’t | B．you hadn’t | C．he wasn’t | D．you aren’t |
When did China __ the first man-made satellite to circle the earth, do you know?
| A．send for | B．send up | C．send off | D．send out |
Stand there! I'll __ you.
| A．take down | B．take photos of | C．take off | D．take notes |
___ the help of his teacher, he has passed the English exam.
| A．Under | B．In | C．Below | D．With |
The children ___ not to play football in the street.
| A．warn | B．warned | C．must warn | D．are warned |
I bought a dress for you only 10 dollars in a sale; it was a real _____.
| A．exchange | B．bargain | C．trade | D．business |