People exposed to radiation are more_______ to suffer from certain forms of cancer, which can be ______ but can’t be ______at present [ ]

He thinks that girls are smarter than boys when it comes to learning English．—But two years ago he thought____．

What do you think we can do for our parents –You ____ do anything except to show your love — akind word, a warm smile and a helping hand.

Must I finish my homework now—No, you ______. You can go home now.

. The temperature has _____ heavily, whichdoesn’t _____ the growth of the crops.