.If _____,the experiment will be successful.
| A．carefully doing | B．it done carefully | C．carefully done | D．doing carefully |
The little chick ______ the earthworm, deciding whether to swallow it or let it go.
A stared at B glimpsed at C looked into D glared at
– I wonder if I could possibly use your car for tonight?
--_______. I’m not using it anyhow.
A Sure, go ahead B I don’t know C Yes, indeed D I don’t care
Don’t ________ a dictionary every time you come across a new word while reading , otherwise you will soon get bored and stop reading.
A look up B consult C refer D discuss
It took me some time to ____ what I had heard.
A digest B swallow C eat D chew
There was a lot of fun at yesterday’s party. You _____ have come, but why didn’t you?
A must B shouldn’t C needn’t D ought to