1. B A gentle wind _____ through the tree. In the distance, I_______ a racing car moving across the  dusty plain.

       A. was blowing; noticed                             B. blew; had noticed

       C. had blown; was noticing                               D. has blown; have noticed

2. A You needn’t hurry her; she _______ it by the time you are ready.

       A. will have finished             B. will finish          C. will be finishing  D. has finished

3. A By the time you get to the airport, the plane ________ for New Zealand.

       A. would he leaving              B. has already left   C. is leaving           D. will have left

4. B—Who is the old man talking with your teacher?

   —I don’t know. I _________ him before.

       A. was never seeing              B. had never seen   C. never saw         D. wouldn’t see