You'd better _______ your score and see if you have passed the exam.
| A．add up | B．add to |
| C．add up to | D．add |
---- Sorry, Liz. I think I was a bit rude to you.
---- _______, but don’t do it again.
| A．That’s right | B．Not at all | C．Take your rime | D．Forget it |
The biggest cities in Canada only have about six million people while _______ in China are much larger.
| A．these | B．those | C．ones | D．others |
____ with what the students had done, the teacher praised them highly.
| A．Delight | B．Delighting | C．Delighted | D．Being delighting |
you can borrow my caryou promise not to drive too fast.
| A．unless | B．even if | C．in case | D．as long as |
Not until____ did Humphrey begin working.
| A．did it stop raining | B．had it stopped raining | C．it stopped raining | D．it stops raining |