CÂU 21 LAST SUNDAY, BOB DECIDED TO CALL IT A DAY
Câu
21
Last Sunday, Bob decided to call it a day? means
What is it?
a. It is a tiny basic building block of matter.
a. Bob gave the previous Sunday a name
b. Bob stopped working to relax
b. All the materials on Earth are composed of various
c. Bob was absent from work that day
combinations of them .
d. Bob played truant that day
c. They are the smallest particles of a chemical element that
still exhibit all the chemical properties unique to that element.
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