--Where's Mr. Green?--Oh, he _________ Canada.A. has been toB. has gone toC. went to
Our teacher often told us that we should learn experience.
Before you Send a letter in the post office, you must buy a .
---- Many women have to __________ their husbands for their livings . ---- That may not be true . Many women choose to go out to work themselves .
---You look a bit worried . ----It’s raining , but I ________my umbrella at home .
----May I _______ you to carry the bag for me ? ----- No problem .