问题
选择题
With a lot of difficult problems________, the manager felt worried all the time.
A．settled
B．to be settled
C．settling
D．to settle
答案
答案：D
考查非谓语动词。本题考查with的复合结构，根据句意可知难题未被解决，故用不定式作宾语补足语，选D。
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