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—Several people seem _________. Let's go and see.

A. being dancing B. dancing C. to be dancing D. to have danced

A. On foot. B. By bike . C. By bus.

A. If there are enough seats. B. If her friends will come. C. If the man likes her idea.

A. Easy. B. Difficult. C. Boring.

A. Checking her e-mail. B. Doing the housework. C. Preparing a report.

A. permits B. permitted C. should permit D. permitting

A. left to hang B. left hanging C. left hung D. left hung

A. To a restaurant. B. To the editor’s office. C. To his own office.

A. The bread. B. The salad. C. The noodles.

A. when B. while C. before D. where