I hadn’t seen him for ages and then he suddenly turned up on my door-step.
A.stood
B.appeared
C.sat down
D.knocked

- Mr. Black: What shall I do when I want to call you? - Nurse: _______.
A.You shall find the red button
B.I’d come every ten minutes
C.Press the red button on the left
D.Stay here and enjoy yourself

__________ (5)
A.rocked
B.reflected
C.disrupted
D.revealed

__________ (7)
A.confrontation
B.conflicts
C.investigations
D.resignation

__________ (8)
A.voyage
B.trip
C.flight
D.expedition

__________ (10)
A.skyscrapers
B.offices
C.centers
D.headquarters

The cotton gin was commonplace on many nineteenth century farms.
A.often required
B.sorely needed
C.frequently seen
D.visibly absent

In the field of artificial intelligence, scientists study methods for developing computer programs that display aspects of intelligent behavior.
A.exhibit
B.classify
C.depend on
D.conform to

George: “In my opinion, action films are exciting.” Frankie: “______”
A.Yes. Congratulations!
B.There’s no doubt about it.
C.What an opinion!
D.You shouldn’t have said that.

Tom:" Would you take this along to the office for me?" - Jerry:"_________"
A.Never mind
B.Yes, with pleasure
C.Yes, that's right
D.Not at all