The boys ____ to be reading when their teacher came in.
A. pretend
B. were pretend
C. pretending
D. pretended
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We need to _____ how well the policy is working.
A. measure
B. test
C. estimate
D. evaluate
The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).
A. diagnosed
B. determined
C. deduced
D. discovered
“黑大陆”学说是()提出的。
A. 西泽修
B. 阿奇.修
C. 琼西.贝克
D. 彼得.德鲁克
第三个利润源指的是()
A. 物质资源
B. 人力资源
C. 物流