Several weeks had gone by ____ I knew the painting was missing.
A. as
B. since
C. until
D. before
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The clever dog buried the bones ____ the other dogs wouldn’t find them.
A. even if
B. as if
C. so that
D. now that
It doesn’t matter to me which method you choose ____ you finish the job on time.
A. as long as
B. if only
C. even if
D. as soon as
------We’d better take some extra money ____ we need it. ------I can’t agree with you more.
A. if
B. so that
C. when
D. in case
Listen to Li Yang, founder of Crazy English. He speaks English ____ he were an American.
A. if
B. because
C. even if
D. as if