1.You mean you entered the building__Marry?

1.You mean you entered the building__Marry?
----No,of course not.He was behind us.
A.follow B.following C.followed D.to follow
2.It is not who does it__is important,but now he does it.
A.what B.which C.that D.不填
3.Up to now,thousand of books __to that school ,where most of the students are thirsty o
for knowledge.
A.sent B.were sent
C.have been sent D.have sent
4.You __be tired .You have only been working for an hour.
A.must not.B.won’t C.can’t
D.may not