If you feel bad when the plane lands or takes off, what can you do? (如果在飞机起飞或降落时,你觉得不舒服,可以怎么做?)(多选题。)
A. Chew gum.B. Open the mouth.C. Talk with the neighbor.D. Walk in the aisle.E. Open the window.
B. Open the mouth.
C. Talk with the neighbor.
D. Walk in the aisle.
E. Open the window.