[ Vocabulary ]
We need to measure the _______________ of the circle.
A. exit
B. diagonal
C. circumference
D. biosphere

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Present Simple vs Present ContinuousEs and SCausative VerbPronoun & Present SimpleComperative and SuperlativeFuture Continuous, Future Perfect and Future Perfect ContinuousLinking Verbs & Helping VerbsSimple Present and Present Continuous TensesPast Simple TensesGrammar - direct/indirect objectsOther quiz:
Have Been to vs. Have Gone to › View… you ever … to a theme park alone?
- has, been
- has, gone
- have, been
- have, gone
Grammar › View
You _____________ worry about it.
A. not must
B. don’t must
C. mustn’t
D. must don’t
Conjunctions › ViewHe picked up a stick _____ chased after the naughty monkey.
A. and
B. but
C. because
D. or
E. so
Tenses Usage › View
The forest _____ destroyed by illegal logging before the restoration program began.
A. was
B. is
C. had been
D. has been