14. It is said that by the end of this month the output ______ by about 10%. A. will have risen B. has risen C. will be rising D. has been rising
A. will have risen
B. has risen
C. will be rising
D. has been rising
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13. ______ will it take to get the patent? A. How long B. How far C. How much D. How many
A. How long
B. How far
C. How much
D. How many
12. I find that a good advertisement always _____ to the success of a product. A. attributes B. contributes C. belongs D. comes
A. attributes
B. contributes
C. belongs
D. comes
11. Owing to the sore throat, he had difficulty ______ loudly in public. A. spoken B. to speak C. speaking D. spoke
A. spoken
B. to speak
C. speaking
D. spoke
10. ______ is known to the world, Mark Twain is a great American writer. A. That B. Which C. As D. It
A. That
B. Which
C. As
D. It