My teacher ……………… happy.
A. was
B. were
C. being
Đáp án đúng: A
Giải thích: My teacher là chủ ngữ số ít, nên động từ tobe là was
Dịch: Giáo viên tớ đã rất vui
Complete the sentences with the correct word.
I ……………… football yesterday.
If you turn _______ the lights when you don’t use it, you will save electricity.