----- Nội dung dịch tự động từ ảnh -----
GRAMMAR

VI. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

1. Mai and Lan decided ________ an online course on Information Technology.
A. to take
B. taking
C. to do
D. to spare

2. ________ time to interact with friends on social network will give us a feeling of happiness.
A. Spare
B. Sparing
C. Spared
D. To spare

3. Henri Ford went on ________ the U.S. automobile industry for many years.
A. lead
B. led
C. has led
D. To lead

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1. ________ my tablet computer for years.
A. use
B. used
C. have used
D. using

5. The student admitted ________ the experiment on animals.
A. to have implemented
B. to have been implemented
C. having implemented
D. having implemented

VII. Choose the correct answer to each of the following questions.

1. Designers use the 3-D printers for make / making mockups.

2. Smartphones are used to communicate / communicating.

3. In 1846 the first washing machine was invented / has been invented.

4. My company launched / has launched its first AI-enabled washing machines.