1.Your suggestion shall be carefully______.(consider)

1.Your suggestion shall be carefully______.(consider)
2.I'am going to ______ to the manager about this matter.(complain)
3.I gave my son several books besides a camera.(保持句意不变)
.I gave my son several books and a camera ______ ______.
4.You should put them back after you use them.(改为简单句)
.You should put them back ______ ______ them.