With a lot of difficult problems _______, the manager felt worried all the time.
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A
settled
B
to be settled
C
settling
D
to settle
推荐题目
The boys and girls were happily making a snowman, _______ with cold.
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A
their faces red
B
their faces were red
C
their faces turned red.
D
their faces to be red
John doesn’t work hard at his lesson and feels really nervous with the final exam _________. 
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A
approached
B
to be approached
C
being approached
D
approaching