Most supermarkets in Shanghai have stopped free plastic bags in the past few years.
| A．provide | B．to provide |
| C．providing | D．provided |
I was late today because alarm clock didn’t _______ .
| A．run off | B．go off |
| C．give out | D．give up |
By the time I got to school, I realized that I ________ my pen at home.
| A．have forgotten | B．have left |
| C．had forgotten | D．had left |
— What _______ your bike yesterday?
— It didn’t work.
| A．was happened in | B．happened in |
| C．was happened to | D．happened to |
Salt _______ in East and South China.
| A．produce | B．is produce |
| C．is produced | D．produced |
Singing the song will help you________ when you feel stressed out.
| A．set up | B．cheer up |
| C．put up | D．think up |