You have to be accurate in this job，because a small mistake can make a big ________.
| A．difference | B．difficulty |
| C．trouble | D．change |
In the interview, he was asked the same question_________he would like to apply for that job.
| A．where | B．that | C．as | D．why |
Don’t____________to tell us if you have a problem．We’re friends，aren’t we?
| A．worry | B．apologize | C．promise | D．hesitate |
-------Helen, will you be at the party tonight?
-------Yes，but I really____________as I have so much homework to do．
| A．can’t | B．mustn’t | C．shouldn’t | D．won’t |
一一Whose advice do you think I should take?
—— _____________
| A．You get it | B．Up to you | C．Anyone you like | D．You speak |
---It is said that your grandpa was very brave．
---Not _________．He was _________than brave．
| A．exact; cleverer | B．exactly; more clever |
| C．exactly; cleverer | D．exact; more clever |