[ Tenses ]
His academic results have improved ______ .
A. after he had taken this course
B. before he took this course
C. when he was taking this course
D. since he took this course
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Grammar › ViewWe … Some clothes in the river yesterday
A. Wash
B. Washing
C. Washed
D. Has washed
General Knowledge › View
Who was the first Western explorer to reach China?
A. Magellan
B. Cook
C. Marco Polo
D. Sir Francis Drake
This chicken doesn’t very good smell. How old is it?
a. correct
b.wrong
Grammar › View
Which answer is closest to abandoned?
A. torn down
B. left empty or alone
C. made more beautiful
D. built up