Tom,together with Mary and Alice,______swim this afternoon.
A.is going to | B.are going to | C.was going to | D.were going to |
______I be free tomorrow,I could go with you.
A.Could | B.Should | C.Might | D.Must |
______stopping polluting the earth______hope to live in a better environment.
A.Only to;we Call | B.Only to;can we | C.Only by;can we | D.Only by;we can |
You______be tired—you've only been working for an hour.
A.must not | B.won't | C.can't | D.may not |
Father______for London on business upon my arrival,so I didn't see him.
A.has left | B.left | C.was leaving | D.had left |