At our factory there are a few machines similar to _______ described in this magazine.
A.that B.those C.these D.what
We bought them at ten dollars by ________.
A.a kilogram B.the kilogram C.kilogram D.kilograms
Mary worked here as a _______ secretary and ended up getting a full-time job with the company.
A.contradictory B.contemporary C.permanent D.temporary
Why didn’t you tell me about your trouble last week? If you _______ me, I could have helped.
A.told B.had told C.would have told D.have told
In the USA in the last 100 years, 23 men _______ to death wrongly.
A.have transformed B.had announced C.had been condemned D.have been sentenced
We’d take the train into the city center, then _______ the tram.
A.take up B.switch to C.shift from D.turn by