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
