.
．As is often pointed out, knowledge is a two-edged weapon which can be used_____________for good or evil.
| A．similarly | B．widely | C．equally | D．properly |
-- ________.
--- Yes. Two minutes earlier, we could have caught the bus.
| A．Miss | B．Missed it | C．Missing it | D．Having missed it |
– Either you have made a mistake or he has.
--- I _________.
| A．have | B．made | C．am | D．was |
– I didn’t enjoy the play given by those young people.
--- ______.
| A．Me, either | B．Me, too | C．I, either | D．I, too |
What a big surprise to see you here! I _______ you ____ still abroad.
| A．think; were | B．thought; are | C．think; are | D．thought; were |
– What caused the fire?
--- ______.
| A．Because of a cigarette end | B．cigarette end caused |
| C．A cigarette end | D．Because a cigarette did |