The flight had to be delayed the bad weather.
A. because
B. Because of
C. despite
D. when
Đáp án: B
Giải thích: because of + N: bởi vì
Dịch: Chuyến bay phải bị hoãn lại vì thời tiết xấu
Two months ago my brother _______ elected headmaster of his school and he _______ a vacation since then
I felt nervous when the teacher said she __________ my school report home soon.
In this semester, we have to _____________ our major for future occupation.
My sister threatened to tell mommy that I _________ a toothache.