Itis not until you have lost your health ______ yo
u know its value.
A. until B.when C. what D. that
3. He talks as if he _______everything in the world.
A.knows B.knew
C.had known D. would have known
4. Never before _______ seesuch a terrible car accident on the road!
A. I have B.have I C. I did D. did I
5. The girl sometimes hasdif6culty _________ what the teacher says in class.
A.understand B.understanding
C.to understand D.understood
6. The paint is still wet._________.
A.Be not sure to touch it! B.Be sure not to touch it!
C.Be sure to not touch it! D.Don't be sure to touch it1
7. The students ______ theirpapers by the end of this month.
A.have finished B.will be finishing
C.will have finished D.have been finishing
8. —Did the medicine make you feel better?
—No. The more ________, ________ I feel.
A. medicine I take; and the worse B. medicine I take; the worse
C. I take medicine; the worse D. I take medicine; worse
9. There was so much noise inthe classroom that the teacher couldn't make himself ______.
A. heard B.hearing C. to hear D. hear
10. This overcoat cost_________. What's more, they are _______ small for me.
A. very much; very B.too much; much too
C. much too; too much D. very much; too much