Not until____ did Humphrey begin working.

A. did it stop raining  B. had it stopped raining  C. it stopped raining  D. it stops raining

you can borrow my car      you promise not to drive too fast.

A．unless         B．even if         C．in case         D．as long as

____ with what the students had done, the teacher praised them highly.

A. Delight      B. Delighting     C. Delighted   D.  Being delighting

 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

---- 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

When you reach our company at 5:00 pm, I _______ there to discuss a problem with you.

A. wait       B. have waited      C. was waiting         D. will be waiting

Helen has ____French and can speak fluently after a short stay with her aunt in Paris.

A. picked up    B. taken up   C. put up     D. made up

 It’s funny that Howard___ speak to you like your boss.

A. might    B. would  C. should    D. must

Though________money, his parents managed to send him to university.

A. lacked  B. lacking of   C. lacking     D. lacked in

Jack is late again. It is ____of him to keep others waiting.

A. normal            B. ordinary   C. common   D. typical