99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<ruby id="gjbhl"><xmp id="gjbhl"></xmp></ruby>

<ruby id="gjbhl"><xmp id="gjbhl"></xmp></ruby>

<em id="gjbhl"></em>

<dl id="gjbhl"></dl>

單項選擇題

This fire extinguisher is to be used only in case of（）

A.urgency
B.crisis
C.immediacy
D.emergency

你可能感興趣的試題

單項選擇題

She's part of a team of scientists who are（）upon cancer research.

A.worked
B.arranged
C.engaged
D.involved

單項選擇題

The（）doesn't cover household items.

A.intelligence
B.insurance
C.instance
D.insult

<label id="420st"><label id="420st"><strong id="420st"></strong></label></label>

<ins id="420st"></ins>

<ruby id="420st"><xmp id="420st"></xmp></ruby>