--Have you got the leaving time of the train for me?
---Yes, but you’d better ____of it by yourself.
| A．make sure | B．be sure | C．to make sure | D．be certain |
At last hefinish the work ahead of time.
| A．could | B．was able to |
| C．could have done | D．would have been able to |
—Is the flight from Shanghai on time?
—Of Course,it is.Itbe arriving in 10 minutes at Gate 9.
| A．must | B．should | C．may | D．can |
—Shall we go skating or stay at home?
—Whichdo yourself?
| A．do you rather | B．would you rather |
| C．will you rather | D．should you rather |
Heyou more help,even though he was very busy.
| A．might have given | B．may give |
| C．must have given | D．might give |
—Lucy doesn’t mind lending you her dictionary.
—She.I have already borrowed one.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |