用所给动词的适当形式填空 the man _________(repair)your bicycle from 7 to 10 this morning.he_______already _______(repair)it now.why didn'tyou come to the party last night?i____-(work)in the factory then.what __you________(do)now?i____(play) with snow.

was repairing
has repaired
was working
are doing
am playing

has repaired
worked
are doing am playing

was repairing
has ,repaired
was working
are,doing
am playing

the man ____was repairing_____(repair)your bicycle from 7 to 10 this morning.
he____has___already ___repaired____(repair)it now.【过去的动作一直持续到现在。过去完成时。】
why didn'tyou come to the party last night?
i__was working__-(work)in the factory then.
what __are you___doing_____(do)now? i__am playing__(play) with snow.
其他都是进行时。主要看时态。问过去做什么就用过去进行时，现在干什么就用现在进行时~
希望对您有帮助~