Would you prefer to attend a private tutor?—I’d rather _____ for a class than _____ a tutor.

Bruce,how many students are there in your school?—Mmm, about.

We must study hard, because we shouldn’t _______ our parents _______ .

They arrived ______ a cold morning in winter. [ ]

How about putting some pictures into the report?—________．A picture is worth a thousand words．