．—Let’s throw a surprise party for mom’s 50th birthday.
—That’s a good idea. We_________several of her friends.
| A．invite | B．had invited | C．are inviting | D．will invite |
—Steve, the vacation is coming soon．Have you found a summer job yet？
—I suppose I can work at the boy’s camp _____ I worked last summer．
| A．that | B．where | C．which | D．what |
In order to keep fit, the old man makes it a rule _____ for a walk after supper every day．
| A．going | B．to go | C．go | D．gone |
—Are you doing your homework？
—No, I’m writing a short play．It _____ at the Christmas party．
| A．will be put on |
| B．will put on |
| C．puts on |
| D．is put on |
Volunteering gives you a chance _______ lives，including your own．
| A．change | B．changing |
| C．changed | D．to change |
The news came as no surprise to me．I _____ for some time that the factory was going to shut down．
| A．knew | B．had known |
| C．have known | D．know |