Outbreak of small-arms fire along the frontier became more frequent in May but _____ officially investigated（）
A. hardly any such incidents were
B. hardly were any such incidents
C. hardly were such any incidents
D. hardly such any incidents were
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_____ with the picture, Mary hid it in the closet（）
A. Thoroughly dissatisfying
Being thoroughly dissatisfied
C. To be thoroughly dissatisfied
D. Having thoroughly dissatisfied
_____ lunch, the committee members discussed the problem（）
A. Serving
B. Having served
C. Being served
D. Having been served
_____ hundreds of pieces of litter（）
A. Were lying beside the road
B. Were beside the road lying
C. Beside the road lying were
D. Lying beside the road were
Now I’d like you to spend five minutes talking about the topic: What _____ you do if you _____ President（）
A. will; became
B. would; became
C. would; have become
D. will; have become
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