—When are you going to London?—___.I may go there next Tuesday or next Thursday.
Sam is my friend, he is a _____ boy now.
Daming hasn’t learnt singing _____ dancing.
---Where’s your father? ---He _____ to work.
---Have you finished your work _____? ---Yes, I have. I’ve always finished it.
Jim's parents enjoy _____ in the countryside.