They thought ________ important to look left and right when ________ the road.
A. it’s, crossB. it, to cross
C. it, crossing D. it was, to cross
The guide said that much attention must __________ these details.
A. pay B. be paid
C. pay to D. be paid to
He couldn’t ________an answer when I asked him why he was late.
A. come over B. catch up with
C. come out D. come up with
— Mrs Black is an organized housewife.
—That’s right. Everything in her house is always ________.
A. in orderB. out of order
C. in trouble D. in the way
The railway _______ Qinghai to Tibet is the longest plateau (高原) railway in the world.
A. connectedB. connects
C. connecting D. is connected
Your mobile phone is so good. Where did you buy _____? I want to buy____ too.
A. it; it B. it; one
C. one; it D. one; one
