You shouldn’t risk 　　　　 in the polluted river.

A.to swim　　　B.swimming　　　C.swim　　　　D.swam

—Oh, you sounded just like a native.

— ______, I still have trouble expressing myself.

A. Well, not quite　　 B.I don’t care C. Yes, you’re right　 D. I’m glad you like it

No one was sure _____ he would be asked to speak next year.

A. when 　 B. whether　 C. what 　 D. how

____ was expected, he succeeded in the exam.

A. It 　 B. Which 　 C. As 　 D. That

You’ve switched the machine off. I told you not to, _____ ?

　　A. didn’t I B. haven’t I C. will you D. did I

Susan is ____ to come and see me this Sunday evening.

A. possible 　 B. likely　 C. impossible 　 D. scarcely

America was______ was first called “India” by Columbus.

A.that              B.where               C.what           D.the place

There was such long queue for coffee at the interval that we 　　　　　 gave up.

A. purposefully　　　 B. eventually　　　 C. generally　　 　 D. unfortunately

Bill wasn’t happy about the delay of the report by Jason， and ______.

A. I was neither　　　　 　 B. neither was I　　　　

C. I was either　　　　 　 D. either was I

As is known, the Great wall is one of the w___________ of the world.