He made a mistake，but he corrected the situation it went worse．
| A．until | B．when | C．before | D．as |
My sister used to be fond of ____ table tennis.
| A．play | B．played | C．playing | D．to play |
We all considered Mr Zhao ____ teacher.
| A．be the best | B．to be the best | C．being best | D．being the best |
The Great Green Wall will stop the wind from ____ the earth away.
| A．blow | B．blowing | C．blew | D．to blow |
Do you practice ______ English every morning?
| A．speak | B．to speak | C．speaking | D．spoken |
----Boys and girls, will you please ____ the park this afternoon? ----OK.
| A．not cleaning out | B．not to clean out | C．to clean up | D．clean up |