Trong một chuỗi thức ăn, động vật thuộc nhóm
A.sinh vật phân giải.
B.sinh vật tiêu thụ.
C.sinh vật sản xuất và phân giải.
D.sinh vật sản xuất.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Someone who dances either as a job or for pleasure is called a ………………………
 
A.dancer
B.musician
C.actor
D.painter

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
She’s a wonderful _____. She has an amazing voice!
A.dancer
B.pianist
C.singer
D.painter

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
In my _____ time, I often read a comic book.
A.spare
B.pleased
C.minor
D.daily

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Our ………. activity used to depend on buffalos.
A.economy
B.economic
C.economically
D.economical

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The remote is used ………. turning the A/C on and off.
A.for
B.in
C.at
D.to

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Spending more money ………. TVs and cars while your house is in shambles is ill-advised.
A.on
B.in
C.at
D.for

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The abacus is the world’s ………. computer.
A.elder
B.oldest
C.elderest
D.older

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Boys are prohibited from engaging in ………. contact with girls.
A.phycics
B.physically
C.physical
D.physican

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
We’re ………. of doing homework and stop to go to the mall.
A.tiredness
B.tiring
C.tire
D.tired