[ Tenses ]
The brain (___) complex processes when concentrating deeply.
A. is performing
B. performs
C. performed
D. has performed
Select your answer:
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Idioms › ViewWhat colour did he go ___?
a. over
b. with
c. for
Grammar › View
How ______ sugar do you want in your coffee?
A. little
B. many
C. much
D. few