The Japanese government must do everything ________ polluted water from running into rivers, lakes, seas and oceans．
| A．keep | B．kept | C．to keep | D．keeping |
Miss Brown is the person _________ can help you with your English.
A. what B. which C. who
There _________ lots of sheep on the hill eating grass.
A. are B. is C. be
______________ I remember, Sally was a smart girl in our class.
A. Ever since B. Even though C. As far as
Today computers ____________ in both cities and town.
A. are using B. are used C. were used
Mrs Wei always encourages us _________ English in class.
A. speak B. to speak C. speaking