I find it hardto ____my gratitude to you for your kind help.
A. speak
B. express
C. say
D. tell
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The nurse is even tender ____ the sick child than his parents.
A. at
B. by
C. to
D. with
A number of students in this class ____to Beijing once .
A. were
B. have been
C. is
D. has been
You can’t really ____the painting unless you know something about the culture.
A. know
B. appreciate
C. learn
D. accept
The strawberry ice-cream is a good dessert to ____six to eight people.
A. supply
B. maintain
C. serve
D. treat
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