If you have difficulty______your bills, tell your utility company as soon as possible.

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问题 If you have difficulty______your bills, tell your utility company as soon as possible.

选项 A、pay
B、paid
C、to pay
D、paying

答案D

解析 本题考查have difficulty(in)doing sth.的句式用法。根据句法关系,have difficulty/trouble/problem/fun/pleasure/a hard time/a good time后加动词的现在分词形式,由此确定本题答案为D)。
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