日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項選擇題

We are going to carry out an emergency （）.

A.practise
B.practice
C.drill
D.drills

你可能感興趣的試題

單項選擇題

Throw a （）to the person overboard and help him come on board.

A.lifeboat
B.life-raft
C.lifebuoy
D.fire mask

單項選擇題

（）extinguish oil and electrical fires with water.

A.Do
B.Did
C.Never
D.Isn’t