5. A number of sheep______ eating grass now. A. are B. is C. was D. were 6. The number of books in this library______ large. A. are B. is C. was D.

5. A number of sheep______ eating grass now.
A. are B. is C. was D. were
6. The number of books in this library______ large.
A. are B. is C. was D. were

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