---_______ beautiful music it is!
I ______ anything about it _____ you told me.A.didn’t know, whenB. didn’t know, untilC. knew, until
—Look ! The apples are too big. Why don’t you _______first?-–That sounds a good idea!A. cut them upB. cut it upC. cut up them
Listen! Can you hear boy ____ in the next room?A. sing B. to sing C. singing
he is very poor, he feels very happy.
You can find ___ difficult to learn English.