HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Choose the underlined part among A, B, C or D that needs correcting:
While I did my homework, I had a good idea.
A. did
B. my homework
C. had
D. a
Choose the word that has stress pattern different from that of the other words.
A. successful
B. together
C. relation
D. celebrate
Đặt tính rồi tính:
a, 20÷7
b, 56 + 320
c, 128 - 12
d, 56×3