--- Betty, could you answer my question? --- Sorry, Mr. Green. I didn’t hear you. I _______ about something else.
#40124
A
was thinking
B
am thinking
C
think
D
thought
推荐题目
I ______ my mind to study harder since I visited the Shanghai Supercomputer Centre.
#37865
A
am making up
B
have made up
C
made up
D
had made up
Hot water_____ in the students’ flats from 5 pm to 7 pm now.
#41623
A
supplies
B
is supplied
C
supplied
D
was supplied
—Alan! Why are you so late?—Sorry! When I home, I met one of my old friends.
#36276
A
went
B
am walking
C
has gone
D
was walking
—You didn’t come to the meeting yesterday afternoon, did you? —No, I ________ at the station for my uncle from Beijing.
#42619
A
was waiting
B
have waited
C
am waiting
D
will wait