Sarah，have you finished your homework—No，but I haven’t got________.I’ll finish it in ten minutes.

Stop cutting trees, ________ the earth will become worse and worse

It remains to be seen______ the newly formed committee’spolicy can be put into practice

ing to the school rules, ifa student _________ happen to damage something by accident,he/she should reportit to a teacher or the office immediately.

The teacher demanded that he __________ hishomework at once.