Đốt cháy 98 gam bột Fe trong không khí thu được hỗn hợp
A.6,16.
B.10,08.
C.11,76.
D.14,0.

Lan her coat and walked out of her room put on take c
A.put on
B.take care
C.get up
D.put off

What is the topic of the passage Pollution A special e
A.Pollution
B.A special event
C.Earth Day
D.The environment

When did the idea of Earth Day begin last week in the
A.last week
B.in the 1960s  
C.in 1960
D.on April 22nd

What did not happen on Earth Day last Saturday afterno
A.Cars had to wait.
B.Lots of people rode their bikes around the town.
C.People collected plastic bags for a week.
D.People cycled through the streets.

Which of the following is closest in meaning to the wo
A.think of
B.take part in
C.drive
D.wait

The word them refers to bikes cars nbspdrivers nbsp p
A.bikes
B.cars
C. drivers  
D.parks

at away from on Giải chi tiết A at ở tại vào lúcB awa
A.at
B.away
C.from
D.on

at away from on Giải chi tiết A at ở tại vào lúcB awa
A.at
B.away
C.from
D.on

beautifulness beautiful nbsp beautifully nbsp beauty
A.beautifulness
B.beautiful  
C.beautifully  
D.beauty