Generally speaking, ____________ according to the directions, the drug has no side effect.
A. when taking
B. when taken
C. when to take
D. when to be taken
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— Dad, I’ve finished my assignment.— Good, and ____________ you play or watch TV, you mustn’t disturb me.
A. whenever
B. whether
C. whatever
D. no matter
— Was his father very strict with him when he was at school?— Yes. He has never praised him ____________ he became one of the top students in his grade.
A. after
B. unless
C. until
D. when
He made a mistake, but then he corrected the situation ____________ it got worse.
A. until
B. when
C. before
D. as
_________ I know the money is safe, I shall not worry about it.
A. Even though
B. Unless
C. While
D. As long as