The teacher are ________ the exam while the students are ________ it. [ ]

Had it not been for the fact that about 30 pupils __________ in the state of Connecticut a fortnight ago, their parents ___________ in deep sorrow now.

There must be ________ with the computer.

_______ no one agreed with him, ______ he insisted on learning play the piano.

Has Tom finished his job yet? —I have no idea of it; he _____ it this morning