Washerisamachine____(用它我们洗衣服)orapersonwhoiswashing.
Mostofthepeopleinthegroupfeltratherdisappointedattheirtravellingabroad.Theysaythatit_______betterorganized.
A、mighthavebeen
B、hadbeen
C、hadtobe
D、musthavebeen
Theradiois________astrangesignal.What’swrongwithit?
A、givingup
B、givingin
C、givingout
D、givingaway
Hewasalmostasleep,____withallthishardwork.
A、worndown
B、wornout
C、wornoff
D、wornaway
Mysisterwasn'tinParislastmonth,soyou_____herthere.
A、mightnothaveseen
B、can'thaveseen
C、mustnothaveseen
D、shouldn'thaveseen