Tìm lỗi sai và sửa ( giải thích tại sao sai)
1. when (A) many of (B) my friends take a shower in the morning, I usually take one (C) before bed (D).
2. I can't (A) go out tonight because (B) i have too many (C) work to do (D)
3. Before the 1920s (A), no women(B) have voted (C) in national elections (D) in the US
4. Bella had better to change (A) her study habits if she wants to be (B) admitted to (C) a good college (D)
5. Most (A) becteria has (B) strong cell walls much (C) like those (D) of the plants