I don't know he will come or not this afternoon.( )
A.ifB.whenC.whether
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
You'd better ___ more time talking with your parents so that they can understand you better.( )
spend
take
cost
Jack,how was your summer vacation?
Just so﹣so,I decided to go ___ for my next vacation.( )
something wonderful
wonderful something
somewhere wonderful
wonderful somewhere