----I_____ see the doctor at 10:00 a.m . I have made an appointment .-----There is no need. You_____ be all right if you take the medicine.
Earth is believed ______ by an object the size of Mars at some point in the distant past before its surface cooled.
With temperature ______ so rapidly, we could not go with the experiment.
--- Is John in the office? ---I didn’t see ______ there.
Because of ______high demand for Type AB blood,____supplies of it are usually limited.
His parents never approve of_____ he plans to do, which always annoys him.