Ladies and gentlemen, please remain __________ until the plane has come to a complete stop.
| A．seated | B．seating | C．to seat | D．seat |
------ Could I borrow your dictionary?
-------Yes, of course you___________
| A．might | B．will | C．can | D．should |
He want s to changes in the company and I am sure he will___________
| A．on time | B．at a time | C．at one time | D．in time |
. ------ The door was open.
----- It ___________open. I had locked it myself and the key was in my pocket.
| A．can’t be | B．mustn’t be | C．can’t have been | D．mustn’t have been |
The reason for his success is ___________he worked very hard.
| A．why | B．that | C．whether | D．because |
--------- ___________did they visit the moon last month?
---------They visited it in a spaceship
| A．When | B．Where | C．What | D．How |