The inventor was determined to go on with the experiment_______countless failures.
| A．instead of | B．because of |
| C．in favor of | D．regardless of |
It’s funny that Howard___ speak to you like your boss.
| A．might | B．would | C．should | D．must |
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 |
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 |
---- 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 |