Question

Answer 1

1. They cancelled the trip to Trang An since it was raining

2. The tourists went to Van Phuc village because they wanted to buy some milk

3. We need an umbrella because it is raining heavily outside.

Answer 2

They cancelled the trip to Trang An since it was raining

The tourist went to van phuc village because they wanted to buy some silk

We need an umbrella since it is raining heavily outside

Answer 3

1. It was raining. They cancelled the trip to Trang An.
⇒ Since it rained, they canceled the trip to Trang An. 
2.  The tourists wanted to buy some silk. They want to Van Phuc village.
⇒ Because the tourist went to Van Phuc village, they wanted to buy some silk.
3.  We need an umbrella. It is raining heavily outside.
⇒ We need an umbrella since It is raining heavily outside.