【題目】I like hiking in the forest because the air is pretty .
A.free
B.dirty
C.polluted
D.fresh

A. You're all right B. It's very kind of you C. You are right D. That's a good idea

【題目】 English, she went to school in London, England.
A.Learn
B.Learns
C.To learn
D.Learning

【題目】 old man behind Tom is university teacher.
A.An; an
B.A; the
C.The; a
D.The; an

【題目】We are often told at people in trouble.
A.not to smile
B.to smile
C.not to laugh
D.to laugh

【題目】Mr father this watch in 2006. He it for 10 years.
A.bought; has had
B.bought; has
C.has bought; has had
D.has bought; had

A. nothing B. everything C. something D. anything

一The haze(霧霾)is very serious these days. So we should learn to ourselves from the danger.

A. provide B. protect C. practice D. please

A. on B. in C. at D. of

【題目】There are _______ students in the sports meeting.
A.thousands of
B.thousand of
C.two thousands
D.thousands