V:

31, That old house have just been sold

32, Although the weather was bad, they had a wonderful holiday

33, A new mall will be built

34, If he doesn't take these pills, he won't be better

35, Althought he works hard, he can't support his large family

VI:

36, If it isn't rain tomorrow, i will go camping with my family

37, If i met an alian in outer space, i would invite him to my house to talk

38, I have never travelled by air

39, The students are studying for exam now

40, It was such a cold day that we decided not to go out.

although the weather is bad, they had a wonderful holiday

a new mall will be built here

If he does not take these pills, he won’t be better

 Although he works hard, he can’t support his large family.

If it doesn't rain tomorrow I will go camping my friends

If I met ailen from outer space I would invite their home and talk

I have never travelled by air

The students are studying for the exam now

 It was such a cold day that we decided not go out 

xin ctlnh nha