Grammar 1.Most of the artists ____ to the party were from South Africa. A. invited B. to invite C. being invited 2. This news sounds ____. A. encourage B. encouraged C. encouraging 3. That is the day ______I'll never forget. A. which B. on which C. in which 4.When you arrive tomorrow, my secretary ______ you at the airport. A. be meeting B. meets C. will meet 5. The new machine ought to _____________ before it is put to use. A. test B.be tested C. being tested