It is a good tradition in China that teenagers should __________ speak to the old.
A.politely B.polite
C.impolitely D.impolite
I found ________ easy to put on weight but difficult to lose weight.
A.its B.it C.this D.that
The restaurant is open every day ________ Monday, so we can't have dinner there on Monday.
A.during B.with C.from D.except
—Look at the man running after the bus! Is that Mr. White?
—It ________ be him. He has gone to Shanghai.
A.couldn't B.mustn't C.can't D.wouldn't
The ________ to be independent is useful for students who study abroad.
A.ability B.expression C.custom D.present
Tony is ________ active student and he often practices his spoken English in class.
A.a B.an C.the D./
