Liu Yang felt 1 and 2 before take-off.

When does the party start A: Before 2: 30. B: At 2:30. C: After 2:30.

16. Usually speaking, when should we get to the airport for the international flight? A: 3 hours before taking off B: 2 hours before taking off C: 1 hours before taking off D: 40 mins before taking off

(2) Laurent White emphasizes that shipmentshould be effected before the end of July.

1) If you choose to invite your guests ____________, remind them again in writing ____________ before the gathering. 2) Six to eight months before an ________________ to which out-of-town ____________

2.Before making your business plan, you are advised to_____. A: establish business relationships B: consult experts in the industry C: set your own business goals D: look for suitable employees

2. It was the day before yesterday that they set out. （1）是在（2）（3） 。

(2)Basic rule of stroke order in Chinese: Horizontal strokes are written before vertical ones______

第19题: Before 14:00.|Before 15:00.|Before 16:00.|Before 18:00.

Fire on board blank-filling 2-7There was 1 in the cabin before we 2 the aircraft. Request 3 for passengers after landing