题目内容

-- It's reported that the plastic pollution is harming the ocean. I saw the report in the newspaper at breakfast. It will be worse stronger laws are made.

A. since
B. after
C. until
D. unless

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We didn't cut the cake Amy made a wish.

A. because
B. until
C. if

-- When did you leave your office yesterday?-- finished the project.

A. Until
B. While
C. When
D. Not until

-- Would you like to go bike riding with us tomorrow?-- Sure, I am busy.

A. since
B. unless
C. when
D. until

there is danger on the internet, online insurance is still popular among the young.

A. Unless
B. Though
C. Since
D. Until

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