Lee Kuan Yew encouraged Singaporeans to smile and speak good English, _ _ he?
A. didn't B. did C. doesn't D. does
_ _ nice film Wolf Totem (狼图腾) is! I'd like to see it again if l am free.
A. How B. What an C. What D.What a
I will telephone the police and complain about it_ _ the noise stops soon.
A.unless B.though C. because D. if
Take the exam carefully, _ _ you won't get good marks.
A. and B. or C. so D. but
The students_ _to be very strict with themselves in their study and work.
A.can B.may C.ought D.should
My brother can work out problems_ _ than any other student in his class.
A. quickly B. quick
C. more quickly D. quicker