—Do you know what Tom does all day ?
—I know he spends at least as much time watching TV as he his lessons .
| A．is doing | B．does | C．spends in | D．does doing |
If I hadn’t stood under the ladder to catch you when you fell, you _____ now.
| A．wouldn’t be smiling | B．couldn’t have smiled | C．won’t smile | D．didn’t smile |
—Could I borrow your dictionary?-—Yes, of course you _____.
| A．could | B．will | C．can | D．might |
Mr. Bush is on time for everything. How _____ it be that he was late for the opening ceremony?
| A．can | B．should | C．may | D．must |
--What do you think of it?--I think it is a thing of importance that it ____ done soon.
| A．is | B．is to be | C．be | D．to be |
She is too slow. She ________ pass the test, but she __________ too little.
| A．would; knew | B．will; knows | C．would; knows | D．will; knew |