[ Grammar ]
There ______ a crowd of people waiting to check in just now.
A. is
B. are
C. was
D. were

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Grammar and Vocabularies › ViewIt’s wrong. You ——- do that.
A. wouldn’t
B. shouldn’t
C. oughtn’t
D. may not
Grammar › View
Two bears _____ near the lake.
A. see
B. saw
C. was seen
D. were seen