1. Lan suggested that they should wash their hands before meals to avoid being infected with corona virus.

2. You know the man who sat next to me at the birthday party last night, don't you ?

3. The last time I was to the cinema was two months ago.

4. COVID - 19 prevented us from going to school.

1. Lan said to them: "Let's wash our hands before meals to avoid being infected with corona virus."

→ Lan suggested that they should wash their hands before meals to avoid being infected with corona virus.

2. Do you know the man who sat next to me at the birthday party last night?

→ You know the man who sat next to me at the birthday party last night, don't you ?

3. I haven't been to the cinema for two months.

→ The last time I went the cinama was two months ago.

4. We couldn't go to school because of COVID -19.

→ COVID -19 prevented us from going to school. 

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