这个标志表示前方有学校。

This ___sign indicates there is a school ahead.

教练给了我们一个继续练习的手势。

The coach gave us a ___sign to keep practicing.

频繁打喷嚏可能是感冒的征兆。

Frequent sneezing can be a ___sign of a cold.

请在表格底部签名确认。

Please ___sign at the bottom of the form to confirm.