Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The film ……….by the time we got to the cinema.
A.had start
B.has started
C.had started
D.started

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The interview was broadcast……… radio and television.
 
A.for
B.on
C.at
D.in

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I…………my document before the power went out in the computer lab.
 
A.had save
B.have saved
C.had saved
D.saved

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Someone broke into the shop and made _____ with several TVs and videos.
 
A.off
B.out
C.up
D.of

Công suất của một đoạn mạch xoay chiều được tính bằng công thức nào dưới đây ?
A.$P = U.I$.
B.$P = Z.I^2.cosφ$.
C.$P = Z.I^2$.
D.$P = R.I.cosφ$.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
God has bestowed……….. me many graces.
A.with
B.on
C.for
D.to

Cho mạch RLC nối tiếp, gọi $ \varphi $ là độ lệch pha của điện áp hai đầu mạch so với cường độ dòng điện. Gọi Z là tổng trở, công thức nào sau đây không phải là công suất trung bình của mạch RLC?
A.$ P=\dfrac{1}{2}{{U}_{0}}{{I}_{0}}\cos \varphi $
B.$ P=UI\cos \varphi $
C.$ P=\dfrac{{{U}^{2}}}{R}{{\cos }^{2}}\varphi $
D.$ P=\dfrac{U}{Z}\cos \varphi $

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The theater………….. all of the tickets for the movie by the time we got there.
A.had selling
B.had sell
C.had sold
D.sold

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Nowadays we rely increasingly………. computers to regulate the flow of traffic in the town.
 
A.on
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.
Take the recording equipment……….you in case you need to record something.
A.with
B.in
C.for
D.to