—______ you _______ Mount Qingyuan these days?—Yes, I have. The mountains are more beautiful.A. Have; gone to B. Have; been in C. Have; been to
The student is too young. He can’t look after himself _______.
—Do you have _______ to say today? —No, nothing.
—What are these? —They’re _______ and _______.
—What were you doing at this time yesterday? —We _______ in the classroom.
—Must we finish the project in a month? —No, you _______.