— Why do some whales have to ?
— Because humans catch whales for meat,fat and oil.Some of them are .
A.protect;dangerous
B.protect;endangered
C.be protected;dangerous
D.be protected;endangered
﹣﹣﹣This math problem _______ in half an hour.
﹣﹣﹣Don't worry.Mr.Wang is good at math.He can make it.( )
A. |
is working ou |
B. |
would work out |
C. |
should be worked out |
D. |
has worked out |
— Jack, can you play the guitar?
— Yes, I _______.
A.must | B.can | C.need | D.may |
-Shall we go there by taxi? -No, we ______. It’s not far from here.
A.needn’t | B.can’t | C.couldn’t | D.mustn’t |
--_______David be the new chairperson of the Birdwatching Society ?
--He ________be, but I’m not certain about it.
A.Can; can’t | B.Can; may |
C.May; must | D.May; mustn’t |
---Must I finish my homework before I go home?
----No, you _____. But you ____finish it before tomorrow.
A.mustn’t; must | B.needn’t; must |
C.must; mustn’t | D.needn’t;mustn’t |
—Look! That man looks like Mr. Brown.
—-It _______be him, for he _____to America.
A.can't; has gone | B.may not; has gone |
C.mustn't; has been | D.can't; has been |
—Must I wash these plates?
—No, you . The machine can do it.
A.mustn't | B.can't | C.may not | D.needn't |
People ______ drive after drinking wine or beer according to the new laws.
A.couldn’t | B.needn’t |
C.wouldn’t | D.mustn’t |
Mike replied, with a big smile, "Oh, you_______ to worry about them."
A.not to need | B.needn't | C.not need | D.don't need |
— _________ I take my cousin Shirley with us, Mr Wu?
— Yes, but we’ll get there by bike. ____________ she ride a bike?
— Yes, and she ___________ ride a bike when she was only six years old.
A.Could; can; could | B.Can; can; can |
C.Can; could; could | D.Could; could; can |
—Whose book is this? — It _______ our teacher’s. You see, his name is on it.
A.can’t be | B.can be |
C.mustn’t be | D.must be |
-----I wish I _____ go into space some day.
----- I hope your dream _____ true.
A. could , will come
B. can , came
C. can , will come
We _______ pay to get into the concert. It's free.
A.can't | B.mustn't | C.might not | D.don't have to |