It is written clearly in the requirements that all passengers ______ check onto board 30 minutes before the plane takes off.
|
A．may |
B．can |
C．will |
D．shall |
—I failed again. I wish I _________ harder.
—But you _________.
|
A．had worked; hadn’t |
B．worked; don’t |
|
C．had worked; didn’t |
D．worked; didn’t |
Drunk driving used to occur _______, but now it is under control.
|
A．generally |
B．frequently |
C．practically |
D．gradually |
It gives his life a flying start ______ he has gone abroad for further education.
|
A．what |
B．when |
C．that |
D．how |
The experiment has_________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.
|
A．found out |
B．pointed out |
C．ruled out |
D．carried out |
What is the best way you can imagine ______the overuse of water in our school?
|
A．reducing |
B．to reduce |
C．reduced |
D．reduce |
