[ Vocabulary ]
Using resources in such a way to maximize the production of goods and resources
A. Efficiency
B. Market system
C. Allocation
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Grammar › ViewLet’s play basketball after school, _________?
A. will we
B. don’t we
C. shall we
D. do we
Grammar › View
___ my number been called yet?
a. Have
b. Has
Sorry, I can’t see ____________. It’s too dark.
A. anyone
B. something
C. anything
D. someone
Grammar › View
It’s …………… colder today than it was yesterday. You’d better put on your jacket.
A. less
B. much
C. more
D. many