As the train ran faster and faster, the lights of the city were soon ________.

A.left off　　　　 B. left behind　　　 C. left alone　　　 D. left out

--- I guess you can buy such a smart phone for 300 dollars.

--- I could just two months ago, but the price ______ by 20%.

A.goes up　　　　 B. had gone up　　 C. has gone up　　　 D. will go up

Though _______ money, his parents managed to send him to a technical college.

A.lacking　　　　 B. to lack　　　　 C. lacked　　 　　　D. having lacked

_______ one is fully prepared, outdoor sports sometimes means injuries.

A.Until　　　　 B. Because　　　　 C. When　　　　　　 D. Unless

Even though my English teacher is tough sometimes, she _______ be nice if you really work hard.

A.must　　　　 B. should　　　　　 C. can　　　　 　　 D. shall

_______ he referred to in his article was unknown to the general reader.

A.Which　　　　 B. That　　　　　 C.Whether 　　　　　D. What

When you reach the other end of the bridge, I _______ right there to show you the way.

A.wait　　　　　 B. have waited　　 C. was waiting　　　 D. will be waiting

There is someone playing the guitar over there. Let’s go and listen, shall we? Free entertainment, _______.

A.anyway　　 　 B. though　　 　　C. therefore　 　　　 D. somehow

We all agreed that the cottage would _______ a perfect holiday home for the family.

A.make　　　 　 B. turn　　　　　 C. take　　　 　　　 D. have

One doesn’t have to look far to realize the direct connection ______ smoking and cancer.

A.of　　　　　 B. with　　　　　 C. to　　　　　　　　 D. between