He is often rude at school, he ________ be more polite towards his teachers and schoolmates.
A. should
B. shouldn’t
C. can
D. must
Đáp án đúng: A
Dịch: Anh ấy thường rất là thô lỗ, cộc cằn ở trường, anh ấy nên lịch sự với giáo viên và bạn hơn nữa.
It's 10.30 and you're going to school tomorrow. You __________ go to bed right now.
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I think you __________ spend less money on clothes. They’re too expensive.
You always go to school on an empty stomach. You ___________ leave without having breakfast.
My friend smokes a lot; he ___________ smoke at all, it's bad for his health.