Listen! I hear some birds ___________ the tree.
A. sing in B. singing in B. sing on D. singing on
I’d like to join the school volunteer project, but I’m not sure ______.
| A．what I should do | B．what should I do |
| C．how I should do | D．how should I do |
- Have you read the advertisement which ______ a reporter?
- Yes, I have.
| A．asking to | B．asks for | C．asked about | D．to ask for |
This big bag is too heavy for the little boy ______.Who volunteers to help him?
| A．carries | B．carrying | C．carried | D．to carry |
My computer has broken down. I’ll get it _______ this afternoon.
| A．repairs | B．repairing | C．repaired | D．to repair |
My grandparents’ clock doesn’t work. I’m trying to find a repairman who canfor them.
| A．fix it up | B．fix up it |
| C．put up it | D．put it up |