______ are you busy with? It's already 11 o'clock.

[　　]

　　A. What　　　B. How　　　C. Why　　　D. When

--May I use your pen?

-- ______ .By the way, where are you going tomorrow?

[　　]

A. Excuse me　　　　B. Sure　　　　 C. Pardon　　　　D. Sorry

　　Xiao Li works harder than ______ else in the class.

[　　]

　　 A. the one　　　　B. anyone　　　　C. no one　　　　D. another

　　What ______ fine morning it is! ______ sky is blue and ______air is warm.

[　　]

　　 A. a...The...the　　　　B. /...The.../

　　 C. the...The...the　　　D. a...The...a

　　When I saw her in the hall, she was playing ______ piano.

[　　]

　　 A. a　　　　B. /　　　　C. an　　　　D. the

　　We are working ______ the physics problems.

[　　]

　　 A. out　　　　B. on　　　　C. to　　　　D.in

　　You can work out the problem ______ this way.

[　　]

　　 A. about　　　　B. at　　　　C. in　　　　D. with

I live ______ a new neighbourhood ______ a large supermarket.

[　　]

　　 A. on…near　　　B. in…near　　　　C. near…in　　　D. at…in

　　Can you tell me the difference ______ these two words?

[　　]

　　 A. from　　　　B. between　　　　C. of　　　　D. at

How much did you pay ______ this book?　　　　

[　　]

　　 A. for　　　　B. at　　　　C. on　　　　D. with