用所给单词的正确形式填空1.All the questions _____ (answer) already.2.Jus

have been answered
dropped
repair
not catching

1.All the questions _are answered____ (answer) already.
2.Just at the moment his car __was dropping___ (drop) into the water.
3.You'd better have someone __repair___ (repair) it for you
4.You must take care __ not to catch___ (not catch) a cold.