Though this question is very difficult，if you ________ trying you will find the right answer.
| A．keep up | B．keep on |
| C．keep out | D．keep off |
I just expressed my thoughts on it and what I said only applies ______ some of you.
| A．to | B．for | C．with | D．on |
_______ President Xi has pointed out, we chinese should have our chinese dreams.
| A．Which | B．That | C．As | D．It |
The monitor suggested that we ______ for a picnic.
| A．went | B．must go | C．could go | D．go |
Does ___ matter if he can’t finish the job on time?
| A．this | B．that | C．he | D．it |
Don’t leave the water ______ while you brush your teeth.
| A．run | B．running | C．being run | D．to run |