Choose the letter A, B, C, or D to indicate the sentence which is the most correct. At first, / they / cannot speak/ or write/ full simple sentence.

9/20

Choose the letter A, B, C, or D to indicate the sentence which is the most correct.

At first, / they / cannot speak/ or write/ full simple sentence.

At first, they can’t speak or write a full simple sentence.

At first, they couldn’t speak or write a full simple sentence.

At first, they don’t speak or write a full simple sentence.

At first, they didn’t can speak or write a full simple sentence.

Giải thích

Đáp án đúng: B

Giải thích: “At first” + quá khứ → dùng “couldn’t”.

Dịch nghĩa: Lúc đầu, các em không thể nói hoặc viết một câu đơn hoàn chỉnh.