A.need B.must C.should D.can
单项选择题I tried phoning her office, but I couldn't ().
A.get along B.get on C.get to D.get through
单项选择题Thomas Jefferson and John Adams died on July 4, 1826, the fiftieth of American Independence ().
A.ceremony B.anniversary C.occasion D.occurrence
单项选择题For a moment nothing happened. Then () all shouting together.
A.voices had come B.came voices C.voices would come D.did voices come
单项选择题Almost all job applicants are determined to leave a good () on a potential employer.
A.illusion B.impression C.reflection D.reputation
单项选择题In our class, when the bell rang and the teacher closed his book, it was a () for everyone to stand up.
A.signal B.chance C.mark D.measure