第六章测试1.The nurse won't leave her patients ____ she's sure they are all taken good care of.（ ）
A:unless B:if C:since D:because
答案:A
2.The weather has ____ hot like this for almost one week.（ ）
A:become B:felt C:stayed D:looked 3.Traveling across the country costs a lot of money, but he can ____it.
（ ）
A:spend B:give C:afford D:build 4.I decided to ____ as a waiter in a restaurant during my summer vocation.（ ）
A:take B:serve C:turn D:make 5.In this museum a guided tour_____ for you at no charge.（ ）
A:is provided B:provides C:to provide D:being provided 6.I ____ in touch with you as soon as I receive more details from the manager.（ ）
A:am B:was C:have been D:will be 7.It was not until 3 p.m. _____ the man found the missing report.（ ）
A:while B:that C:where D:as
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