1. The horse is getting old and cannot run ____ it did.
A. as faster as B. so fast than C. so faster as D. as fast as
2. The students are ____ young people between the ages of sixteen and twenty.
A. most B. almost C. mostly D. at most
3.This year they have produced _____ grain____ they did last year.
A. as less, as B. as few, as C. less, than D. fewer, than
4. ---- Can I help you?
---- Well, Im afraid the box is ____ heavy for you, but thank you all the same.
A. so B. much C. very D. too