“What were you doing when Anna phoned you?”“I had just finished my work and ______ to take a bath.”
A. starting
B. to start
C. have started
D. was starting
查看答案
“Have you gone to see the doctor?”“No, but ______.”
A. I go
B. I am going to see
C. I go to see
D. I’m going to
Each time you look at an object, you ______ a picture.
A. took
B. are taking
C. are taken
D. have taken
Water pipes ______ rusty after a period of use.
A. become
B. is becoming
C. are become
D. were become
This foreign scientist ______ in our college for fifteen years and does not want to leave.
A. worked
B. is working
C. works
D. has been working