How long ________ they ________ (dig) the ditch?
have … been digging
暂无解析
Howlong________they________(dig)theditch?
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
Thefloordoesnotlooksobadwhen________(sweep)clean.
Ifound________toanswerallthequestionswithinthetimegiven.
“Haveyoumovedintothenewflat?”“Notyet.Therooms________(paint).”