01428民航乘務(wù)英語(yǔ)單項(xiàng)選擇題每日一練(2019.09.11)

來(lái)源：考試資料網(wǎng)

1 Tom （） his flight by twenty minutes.

2 The pilot turned engine （） and is ready to take off.

3 We can finish this work （） a few hours.

4 Mary （） into the room.

5 The police knew the （） of the accident.