1. We'll start when he ------ ready.
A) will B) will is C) will be D) is

2. We ------- at a party two months ago.
A) meet B) met C) have met D) meeting

3. So far, there ------- no word from them.
A) is B) was C) has D) has been

4. When I called on her, Mary -—----- her room.
A) clean B) cleans C) cleaning D) was cleaning