19.-I'm afraid I couldn't go to your birthday party.I have a test next Monday.
-Oh, !You're my best friend and you must be there!( )
-Oh, !You're my best friend and you must be there!( )
A. | go ahead | B. | come on | ||
C. | you needn't | D. | it doesn't matter |
11.She was looking for her three nephews,but they were nowhere _____,which made her worried.( )
A. | to be found | B. | found | C. | seen | D. | to see |
10.Scientists say Vitamin D may be an effective way to ______ cancer but many people world-wide do not get enough of it.( )
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A. | contribute to | B. | set aside | C. | guard against | D. | hold on to |