.——Don’t look down upon BobHe has his own advantages.——Oh, yes___________others are weak, he is strong

These two maths problems can’t be used in the exam.They are too_________to the students.Everyone can remember the answers.

Some small shops in Britain usually close for ______ hour at ______ lunchtime.

I don’t know when he ______ the work. When he ______ the work, please call me.

could hardly see the words onthe blackboard, ________