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Câu 21: V have/ seen/flying car/.
A. I have never see a flying car before.
I have never seen a flying car before.
В.
С.
I have ever seen a flying car last month.
D. I have never seen a flying car last month.
Đáp án của bạn:
Câu 22: Oil, coal, and natural gas are
animal or plants.
fuels made from decayed material from
A. fossil
B. unleaded
C. smokeless
D. solid
Đáp án của bạn: A
Câu 23: He will be worked on the report at this time tomorrow.
D
Đáp án của bạn:
Câu 24: We will reduce energy consumption as much as possible.
A. Energy consumption will reduced as much as possible.
B. Energy consumption will reduce as much as possible.
C. Energy consumption will be reducing as much as possible.
D. Energy consumption will be reduced as much as possible.