¡¡¡¡21.Neither my brother ____ever been to Paris.

¡¡¡¡ª¤A.nor I have B.nor I has

¡¡¡¡ª¤C.nor me has D.nor me haveª¤

¡¡¡¡22.I don't know ____or not.

¡¡¡¡ª¤ A.if Alice comes B.whether Alice is coming

¡¡¡¡ª¤C.Alice is coming D.if Alice is coming

¡¡¡¡23.____, they always seem greedy.

¡¡¡¡ª¤ A.As they are rich B.Rich as they are

¡¡¡¡ª¤C.They are as rich D.They are as rich as ª¤

¡¡¡¡24.The lawn mower ____before the grass can be cut.

¡¡¡¡ª¤ A.requires to be repaired B.must be repairing

¡¡¡¡ª¤C.needs repairing D.has to be repaired

¡¡¡¡25.It's just no good ____.

¡¡¡¡ª¤ A.to complain B.of complaining

¡¡¡¡ª¤C.in complaining D.complainingª¤

¡¡¡¡26.Dick is depressed. He doesn't like ____life.

¡¡¡¡ª¤ A.marriage B.married

¡¡¡¡ª¤C.marry D.marryingª¤

¡¡¡¡27.The question ____by the teacher is difficult ____.

¡¡¡¡ª¤ A.asked¡­to answer B.to be asked¡­to be answered

¡¡¡¡ª¤C.asked¡­to be answered D.asked¡­answeringª¤

¡¡¡¡28.Many cities are currently developing program ____their historical buildings.

¡¡¡¡ª¤ A.of restoring B.for restoring

¡¡¡¡ª¤C.to restore D.to restoringª¤

¡¡¡¡29.There is nothing to do but ____the experiment.

¡¡¡¡ª¤ A.to repeat B.repeats C.repeating D.repeatª¤

¡¡¡¡30.He tried many times to sneak across the border to a neighboring country, ____each time.

¡¡¡¡ª¤ A.having been caught B.always being caught

¡¡¡¡ª¤C.only to be caught D.unfortunately caught