16.The air craft experienced severe_______ during the final approach, but the pilot kept his cool and landed it safely
A.instabilly B.wavering C.unsteadiness D.turbulence
17.My first time in an aeroplane was a real _______ for me
A.thrill B.safisfaction C.excitement D.happiness
18.The airport is ________ on the edge of the city, next to the motorway.
A.built B.placed C.situated D.existing
16.C
17.A
18.D
1.C
2.A
3.D