26.He will come to call on you the moment he（） his work.
A.finishes B.had finished C.will finish D.finished
27.By luck,the leak（） no damage yet.
A.would do B.had done C.did D.has done
28.He（） when the bus came to a sudden stop.
A.was almost hurt B.was hurt himself
C.was to hurt himself D.was hurting himself
29.That tree looked as if it （）for a long time.
A.hasn't watered B.didn't water
C.hadn't been watered D.wasn't watered
30.If you smoke in a non - smoking section,people（） .
A.have objected B.objected C.must object D.will object