Choose the correct options to complete the rules

01 Đề bài:

2. Choose the correct options to complete the rules.

(Chọn các tùy chọn đúng để hoàn thành các quy tắc)

1. We use the first conditional to talk about a possible event and its result in the future / past.

2. We introduce the situation with if or unless + present / past simple.

3. We describe the result with will and won’t / do and doesn’t + infinitive without to.

4. We use unless to say if... not / if ... when.

5. When the if clause is first / second, we use a comma. When the if clause comes first / second, we don't need a comma.

If the Earth gets too crowded, we'll move to other planete.

We'll move to other planets if the Earth gets too crowded.

02 Bài giải: