We didn't cut the cake Amy made a wish.
A. because
B. until
C. if
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-- 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
-- Is Li Lei at school today?-- No, he 's at home he has a bad cold.
A. until
B. if
C. because
D. so