Viết lại câu sao cho hoàn chỉnh

1.     Spending the weekend in the countryside is very exciting.

It’s very ………………………………………………………………

2.     Why don’t we go to the countryside?

I suggest ………………………………………………………………

3.     The weather was bad, so we didn’t go out.

We ……………………………because of …………………………………

4.     We have never been to Hanoi before.

It’s the first ………………………………………………………………