Flight attendants usually need to arrive at the airport ______ before their flight leaves.
| A． much | B． very | C． well | D． largely |
This coat will lose its color ___________ it's washed．
| A．as | B．after | C．until | D．while |
These students are quick at learning．We'll have them __________ with new methods．
| A．training | B．to train |
| C．to be trained | D．trained |
What he lacks is more patience,___________?
| A．isn't it | B．is it | C．doesn't he | D．does he |
I told him what I was surprised____________ his attitude towards his study．
| A．is | B．was | C．at is | D．at was |
___________ you've got a chance, you might as well make full use of it．
| A．Now that | B．After | C．Although | D．As soon as |