As soon as she could do so without an appearance of being rude, she pretended to______, rose, and left him there alone.
A. faint
B. urge
C. yawn
D. sink
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As is the Chinese cook’s custom, my mother always made______remarks about her own cooking.
A. optional
B. plural
C. negative
D. slender
It is more important to______the way for children’s desire to know than to put them on a diet of facts they are not ready to assimilate.
A. tackle
B. submit
C. shield
D. pave
Here you may select the one which is most to your taste, and you are even allowed to______ them before coming to a decision.
A. auction
B. sample
C. enforce
D. wrap
The first animals on this living sphere, the Earth, were primitive______animals, and then around 500 million years ago these sea animals developed shells.
A. versatile
B. marine
C. redatory
D. feasible