THEY HAD TO WAIT FOR TWELVE HOURS BEFORE THEIR FLIGHT LEFT.ONLY AFT...

5. They had to wait for twelve hours before their flight left.

Only after a______________________________________________________ .

PART II. In the future, students may have the choice of studying at home by using

technology such as computers or television, or of studying at traditional school.

Which would you prefer?

Write a composition of about 200 words to support your opinion.

ĐÁP ÁN VÀ LỜI GIẢI CHI TIẾT