He swam in the river this summer. ________
A. So did he. B. So she did. C. So did she.
-- Must we go there together?
--______ you ________ he goes there, only one student is needed.
A. Both; and B. Either; or C. Neither; nor
Do you know the girl ______ is standing under the tree?.
A. what B. which C. who
Each of us has to write a ______ report every two weeks.
A. two-hundred-word B. two-hundreds-word C. two-hundred-words
They preferred ______ in bed rather than _______ horse.
A. to lie, to ride B. lying, riding C. to lie, ride