How did it______ that humans speak so many different languages?
A.come out | B.come off | C.come about | D.come round |
I hear Mr Smith was writing a story last year and he still _____.
A.do | B.does | C.is | D.am |
---What made her so sad?
---___she had lost her purse with a lot of money in.
A.Because | B.Since | C..What | D.That |
I can't tell you the exact when I will get there ____, I’ll be there as early as I can.
A.No matter | B.Anyhow | C.Therefore | D.Besides |
Certainly I posted your letter---I remember ____it.
A.posting | B.to post | C.to be posting | D.have posted |
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
A.to do | B.to have done |
C.to be doing | D.to have been doing |