一、1.that, were  2.that, travels  3.that, would be  4.if/whether they can speak  5.if/whether, are playing  6.if/whether he had finished his  7. how many people you can see  8.where she parked  9.what he, talked  10.who knocked  11.if/whether, lives  12.his name was  14.if/whether, wanted  15.if/whether, was

二、1―5: DDDBB  6―10:ACDBC  11―15:CCBAD  16―20:BCDAC  21―25:DACCA  26―30:DCCBA

三、1.why  2.who  3.that  4.how  5.how soon  6.whether  7.whether  8.what  9.why  10.what

四、1.if/whether he wanted  2.don’t think, is  3.which trousers she can  4.how to get  5.will they

五、1.will go  2.was  3. is  4.would  5.swam  6.works 

7.had finished  8.hike  9.helped  10.to go