A. put off B. put out C. put down D. put away

【题目】He always sitsthe classroom, because he is short(矮).
A.in front of
B.in the front of
C.at the front
D.behind

【题目】Sam is a waiter, _______ he really wants to be a singer.
A.or
B.if
C.but
D.because

A．smoke；give up it

B．smoking；give up it

C．smoking；give it up

D．smoke；give it up

【题目】—Where are your brothers?
—in the classroom now.
A.He is
B.There are
C.They are
D.We are

A. by, This is B. on, It’s

C. in, It’s D. in , It

【题目】The food safety is a serious _______ in our country. We should try to solve it.
A.subject
B.program
C.problem
D.opinion

A. three millions B. million of

C. millions of D. three millions of

A. where B. which C. that D. so that

A.to read; at B.to read; for

C.reading; for D.reading; at