There is something wrong with her camera, and she must have it _________. A checking B check C to check D checked
With five professional hands ______ them next month, these students are sure to complete the experiment on time.
_______ is announced in today’s newspaper, we have launched another man-made satellite.
No sooner ______ the room than we realized we to take our books.
When you’re learning to play the piano, _______ a good teacher makes a big difference.
—Is the manager available tomorrow afternoon? —No, he is busy. Otherwise he ________ the meeting.