35．--The food is really tasty．I'm full．

--You'd better 　________ the meal instead of sitting there．

A．wash down　　　 B．burn out　　　　 　　 C．get around　　　 　 D．walk off

34．--I have heard what ________ an explosion．

--No，it was just a very loud noise．

A．can be　　　　　　　　　　　　　　　 　 B．may be

C．should have been　　　　　　　　　　 　　 D．might have been

33．Though ________ about the coming exam，the boy still abandoned himself to computer games．

A．concerning　　　　　　　　 　　　　　 B．concerned

C．having concerned　　　　　　　　　　 　 D．being concerned

32．--Did Jack come back late last night'?

--No．It was not yet 8 o'clock ________ he arrived home．

A．when　　　　　　 B．that　　　　　　 　 C．until　　　　　　 　 D．while

31．We have decided to buy a new car，but we ________ what brand to choose．

A．argue　　　　　 　 B．argued　　　　　 　 C．are arguing　　　 D．have argued

30．It was nothing but ten years of hard work that ________ his success in business．

A．referred to　　　 　 B．appealed to　　 　　 C．led to　　　　　　 D．applied to

29．To our great ________，George's illness proved not to be as serious as we had feared．

A．anxiety　　　　 　　 B．relief　　　　　 　 C．view　　　　　　 　 D．astonishment