________ (catch) in the rain, he was wet to the skin.
Caught (Having been caught,Being caught)
暂无解析
Heaskedmewhethermybrother________(fly)toBeijing.
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
Tosucceedinascientificresearchproject________.
Thefloordoesnotlooksobadwhen________(sweep)clean.
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.