Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The books _______ by J.K. Rowling are fascinating to me.
A.have written
B.write
C.wrote
D.written

Trong các kim loại sau đây, kim loại có tính khử yếu nhất là
A.Al.
B.Cu.
C.Fe.
D.Ag.

Dãy cation kim loại được xếp theo chiều tăng dần tính oxi hoá từ trái sang phải là
A. $ M{{g}^{2+}},F{{e}^{2+}},C{{u}^{2+}}. $
B. $ C{{u}^{2+}},M{{g}^{2+}},F{{e}^{2+}}. $
C. $ M{{g}^{2+}},C{{u}^{2+}},F{{e}^{2+}}. $
D. $ F{{e}^{2+}}_{,}C{{u}^{2+}},M{{g}^{2+}}. $

Kim loại nào sau đây không tác dụng với dung dịch $ CuC{{l}_{2}}? $
A.Ag.
B.Al.
C.Mg.
D.Fe.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The men _______ in the robbery yesterday have all been arrested
A.involved
B.being involved
C.to involve
D.involves

A.Khung dây quay ngược chiều kim đồng hồ.
B.Không xác định được.
C.Khung dây quay cùng chiều kim đồng hồ.
D.Khung dây không quay.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The man _______ there is her boyfriend.
 
A.is standing
B.stands
C.to stand
D.standing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
They left Hyde Park at _______midday and went shopping at the commercial center in _______ afternoon.
A.the /an
B.a / an
C.Ø / the
D.the / the

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
John is the youngest person _______ the race.
A.having taken part in
B.takes part in
C.to take part in
D.took part in

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The Complex of Hue Monuments was the first site in Viet Nam _______ as a World Heritage Site by UNESCO.
A.be recognized
B.recognizes
C.to recognize
D.to be recognized