Mrs. Smith showed the boys how to behave ________ like a gentleman at the dinner table.( )
A.happilyB.bravely
C.politelyD.differently
There are ___ sharing bikes in many cities.So there will be ___ pollution.( )
less and less; more and more
less and less; fewer and fewer
more and more; less and less
fewer and fewer; less and less
Don't throw rubbish everywhere,please.Building a civilized(文明的)city is our duty.
_______.( )
OK,I will
You are joking
Take it easy
Sorry,I won't
I saw Susan in the library just now.
No,it __ be her.She went to Shanghai this morning.( )
must
can't
may
needn't
You'll get good grades ___ you work hard.( )
although
so
if
unless
_______?
I want to buy a pair of sports shoes.( )
What's wrong
What can I do for you
How much is it
What does it look like