1.Why don’t we … a hiking trip tomorrow?
a. take 
2.It’s boring. Let’s … some sports.
c. play
3.I want to buy some clothes. How about … shopping tonight?
 b. going 
4.I’ve bought a new pair of rackets. … playing badminton?                                                                          b. What about 
5.There is a new interesting film on TV tonight. … you come and see with me?
a. Why don’t 
6.What should we do this weekend? … we go camping?
c. Shall
7.It’s nice today. … go roller-skating.
 b. Let’s 
8.It’s so cold! … go to the café over there and get a hot drink.
 c. Let’s
9.- I’m so tired.
- … going sailing this weekend?
a. How about 
10.There is a new swimming pool near our school. … go swimming tomorrow?
a. Why don’t we