It was ______the boy said he almost never did any exercise in the school______ the mother began to worry about his health.
The boy said ________ couldn't he work out the problem but his teacher didn't know how to do it.
.—Do you like a house with no garden? —________ , But anyhow, it's better to have one than none.
---I`ll be away for a visit to the History Museum .Would you mind going with me ? ---______.
Not only _____ polluted, but _____ crowded.
Not only _________ able to dance, but also _________ able to sing many English songs.