单项选择题
A.will work B.will have worked C.has worked D.would work
Mr. John was busy,（）he could not come.A.butB.thereforeC...
单项选择题Mr. John was busy,（）he could not come.
A.but B.therefore C.and D.nor
Mr Wang is going to teach you maths（）one year.A.withB.o...
单项选择题Mr Wang is going to teach you maths（）one year.
A.with B.on C.for D.to
Miss Wang wanted to know（）for the film.A.why was he lat...
单项选择题Miss Wang wanted to know（）for the film.
A.why was he late B.why is he late C.why he is late D.why he was late
