Columbus thought he could reach the east by sailing to the west, ________ he believed the earth was round.
A. after
B. before
C. as
D. until
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When I heard the joke, I couldn’t help ________.
A. to laugh
B. from laughing
C. laughing
D. to be laughing
This box ________ two dozen oranges.
A. holds
B. accommodates
C. contains
D. houses
They sell eggs by the ________.
A. dozen
B. trust
C. sheet
D. freedom
The film is only for the grown-up.It reads: “________ Only.''
A. Infants
B. Strangers
C. Friends
D. Adults