--- What are you going to do this weekend?--- . If time permits, I may go to Shanghai with my friends.
21. He is very strict with others, but he is always blind _____ his own shortcomings.
20. The horse is blind _____ the left eye.
1.—When can we come to visit you? —Anytime you feel like .
2. ______was known to them all that William had broken his promise______ he would give each of them a gift.
3. —How long are you staying there? — _____depends.