I have many friends, some are teachers.
| A．of them | B．from which |
| C．who of | D．of whom |
It was cold outside but the door wouldn’t stay shut, so I put a chair _____ it.
| A．against | B．above | C．behind | D．near |
The project aims to get kids to a stage called “deep reading”, _____ they can read to learn.
| A．which | B．where | C．that | D．what |
An exercise method _____ to improve strength and balance is becoming popular in the United States.
| A．designing | B．designed |
| C．to be designed | D．being designed |
Frank, where have you been? We _____ you since 2 o’clock.
| A．have been waiting for | B．are waiting for |
| C．had waited for | D．waited for |
You will recognize Jane when you see her at the airport. She _____ a large blue bag.
| A．carries | B．is carrying |
| C．will be carrying | D．has carried |