It’s very nice of you to _____ so much time showing me around your school.
A. cost B. have C. spend D. take
I don’t like traveling by air _____ you usually have to wait for hours before the plane takes off.
A. though B. but C. because D. so
Of all the five dictionaries, which do you think is _____ ?
A. more useful B. the most useful
C. more usefully D. the most usefully
--Can you help me to _____ my dog when I leave for Hong Kong? -- Sure.
A. look after B. look for
C. look at D. look through
Oh, it _____ so nice! What beautiful music it is!
A. looks B. sounds
C. tastes D. smells
Linging, could you give me _____ advice on learning Chinese grammar?
A. a B. an C. the D. some
