[ Grammar ]
The black mamba, one of the world’s deadliest snakes, __________ in the rocky savannah of Africa and varies in color from gray to brown.
A. lives
B. lived
C. live
D. will live

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Grammar › ViewHave you ever played basketball? No, I ___ basketball
A. have never played
B. didn’t play
C. hasn’t played
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I …… watch TV all day as a kid.
A. was able
B. can
C. could