There is a tree the classroom. |
A. in the front of B. in front of C. on the front of D. on the middle of |
The river smells terrible. People must dirty things into it. |
A. be stopped to throw B. be stopped from throwing C. stop to throw D. stop and throw |
You will play basketball with your classmates if your homework . |
A. finished doing B. will finish C. is finished D. has finished |