[ Vocabulary ]
Have you studied the _____ of the chemicals?
A. composition
B. analogy
C. characteristic
D. descend
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Grammar › ViewWe must try harder. _________
A. need to
B. needn’t
Mixed General Quiz › View
The Baltimore Orioles play baseball ___ the Camden Yards stadium.
a. on
b. at
c. under
__________ you promise not to tell lies again, l won’t forgive you.
A. If
B. Even if
C. Unless
Tenses › View
If we burn paper, it ______ ash.
A. become
B. becomes
C. became
D. is became