There is a mistake in the sentence. Find the mistake and correct it.
We had better to review this chapter carefully because we will have some questions on it our test.
A.had better
B.to review
C.carefully
D.some questions

..................I get your car, I'll leave
A.As soon as
B.As though
C.By the time
D.Now that

Nam put up the fence .............prevent hens from going out
A.so
B.so that
C.in order to
D.because

I'm very...............to hear that I will go to Da Lat tomorrow
A.excite
B.excited
C.excitedly
D.exciting

My parents saw me .............at the railway station
A.in
B.for
C.up
D.off

There is a mistake in the sentence. Find the mistake and correct it.
Mr Nam is used to get up early in the morning.
A.is
B.used to
C.get
D.in

Mai /bad / at/ Math/ than / Lan Anh.
A.Mai is bad at Math than Lan is.
B.Mai is worst at Math than Lan is.
C.Mai is worse at Math than Lan is.
D.Mai is badly at Math than Lan is.

Hoa/ have / many/ books/ than/ her/ sister.
A.Hoa has much books than her sister does.
B.Hoa has many books than her sister does.
C.Hoa has more books than her sister has.
D.Hoa has more books than her sister does.

Who wrote this book?
A.By whom was this book written?
B.By who was this book written?
C.By whose was this book written?
D.By whom did this book written?

It is your duty to do this work.
A.You are supposed to do this work.
B.You ought to do this work
C.You must done this work
D.You are supposed for doing this work