问几道英语选择,
1.letussupposethatachildsuddenlycrossestheroad.Imagineit_
awouldhappenbhappeningchadbeenhappening
2.hebegantoacquireconfidence.hegradually_confident
abecomebcomecobtaineddtook
3.Thedrunksteppedasideandletthebull_
apassingbtopasscinpassingdpass
4.__however,threemenhadcomeintothering.
auptillthattimebbythencsofarduntilthen
5ittookonbefore__itsattentiontothematador
aturnbtoturncitturnedditwasturning
6itlookedonsympathetically.it___him.
alikedblovedcsympathiseddfeltsorryfor
顺便说下为什么吧,这些真的不会.