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1. It is important to pay your electricity bill
(按时), as late payments may affect your credit.
【考点】
固定短语;
【答案】
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单词拼写（单句）
容易
课时演练
换一批
1. The resident physician often
about his working conditions and I'm tired of his
. (complain)
语法填空（单句）
普通
2. We are both very busy so we only see each other
. He pays me
visits in his spare time and we try to use the
to express our love. (occasion)
语法填空（单句）
普通
3. They encouraged the
to
in the singing performance after the contest and their
gave the students much delight. (participate)
语法填空（单句）
普通