-Kankang,I saw your English teacher in the office just now.
-It _______be him. He______to Shanghai on business.( )
must;has gone
must; has been
can't; has been
can't; has gone
Tom is always ready to help others.
________. He often helps me with my English.( )
So he is
So he does
So is he
So does he
John________ us when he is free.( )
joins
join
will join
joined
It's rather cold here. You'd better ________ your coat.( )
put away
not put on
not take off
take off
I'm afraid we can't work out the math problem________the teacher helps us.
That's true. It's too difficult.( )
if
unless
because
as soon as
May I use your computer?
________. I'm working on it.( )
Glad to hear that
It doesn't matter
That's all right
I'm sorry