39: Before going into the temple, everyone has to take off his shoes.
A B C D
40: By measuring the color of a star, astronomers can tell how hot is it.
A B C D
Nhanh hết mức
39: Before going into the temple, everyone has to take off his shoes.
A B C D
40: By measuring the color of a star, astronomers can tell how hot is it.
A B C D
Nhanh hết mức
`39`.has->have ( everyone số nhiều )
`40` .is it-> it is ( nó là )
39
has->have
40
is it-> it is
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