【第21题(1.0)分They______goodfriendsandoftenvisitedeachother.A、areusedtoB、areusedtobeC、usedtobeingD、usedtobe第22题(3.0)分Neverhesitatetoaskabout____________.A、thatyoudon'tunderstandB、whatyoudon'】
第21题(1.0)分They______goodfriendsandoftenvisitedeachother.
A、areusedto
B、areusedtobe
C、usedtobeing
D、usedtobe
第22题(3.0)分Neverhesitatetoaskabout____________.
A、thatyoudon'tunderstand
B、whatyoudon'tunderstand
C、whichyoudon'tunderstand
D、whatdon'tyouunderstand
第23题(1.0)分Afterhe______thatunforgettablelove,hebecameafraidofit.
A、feel
B、felt
C、experience
D、experienced
第24题(1.0)分Thereisa________oftwohoursinthe7:40train.
A、delay
B、late
C、later
D、decay
第25题(3.0)分Wemustdowell__________thebossassignsustodo.
A、that
B、whatever
C、whichever
D、those
第26题(3.0)分Idoubt__________hewilllendyouthebook.
A、whether
B、when
C、that
D、which
第27题(3.0)分Doyouknow____________?
A、whendoesthepartystart
B、whetherthepartystarts
C、whattimethepartystarts
D、ifthepartystarts
第28题(3.0)分Itmakesnodifferencetome_________hewillcomeornot.
A、how
B、why
C、when
D、whether
第29题(3.0)分Ihavenoidea_________theyhavekeptintouchwithmebyE-mailsincelastyear.
A、what
B、how
C、that
D、when
第30题(3.0)分___________isunknowntome.
A、Whereheis
B、Whereishe
C、Heiswhere
D、Ishewhere
第31题(3.0)分Iwassure__________Iwouldovercomeallthesedifficulties.
A、what
B、that
C、which
D、whether
第32题(3.0)分Hanshasanewcar.Iwonderwhen__________it.
A、hebought
B、didhebuy
C、buys
D、heisbuying
第33题(3.0)分havenotfoundmybookyet.Infact,I'mnotsure____________Icouldhavedonewithit.
A、if
B、whether
C、how
D、what
第34题(3.0)分Iwonderhowmanyyearsago____________.
A、didyourfatherretire
B、your