Câu số 11:   Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions .
As they remembered ________ about the danger of getting lost in the forest, the tourists closely followed the tour guide.

Câu số 12:   Once _______ for viruses, the software can be installed in the school computer system for use

Câu số 13:   The teacher entered the room while the students _______ their plan for the excursion.

Câu số 14:   His choice of future career is quite similar _______ mine.

Câu số 15:   With his good sense of humour, Martin is quite _______ with the students.

Câu số 16:   The residents of the village are living a happy life _______ they lack modern facilities.

Câu số 17:   Action films with big stars tend to _______ great public attention.

Câu số 18:   This is ________ most beautiful song I've ever listened to.

Câu số 19:   The scientists are working on a drug capable _______ of the spread of cancerous cells.

Câu số 20:   The little boy took an instant liking to his babysitter _______.