填空题

All visitors to the lab (expect) ______ to take off their shoes before they enter.

【参考答案】

are expected
<上一题 目录 下一题>
热门 试题

填空题
They talked to him for hours, (try) ______ to persuade him to change his mind.
填空题
His efforts to improve the sales of this product have been very (help) ______.
相关试题