6. Don't go too far into the sea, children, or the waves will _____ you off your feet.

　　A. flow B. cut C. press D. sweep

　　7. The store had no more red shoes _____, so Mary chose brown ones instead.

　　A. in demand B. in store C. in need D. in stock

　　8. Bill is not a fast runner and he doesn't have a chance of winning the marathon, but he will _____ the race even if he finishes last.

　　A. keep on B. keep to C. stick out D. stick to

　　9. Can you _____ me _____ two hundred copies of this article by tomorrow.

　　A. give .. out B. send .. in C. write .. off D. run .. off

　　10. The current political _____ of our country is favorable for foreign investments.

　　A. climate B. weather C. state D. occasion