--- Are you a teacher? --- I        , but now I am working in a company.
#103253
A
is
B
am
C
was
D
had
推荐题目
---Hurry, John!---Oh, damn! Both my legs are nearly to give out. I ____for hours.
#101892
A
had walked
B
walked
C
have been walking
D
am walking
Mr. Black________ Shanghai in a few days. Do you know when the earliest plane ________on Sunday? 
#99159
A
leaves for;takes off
B
is leaving for;takes off
C
is leaving for;is taking off
D
leaves for;is taking off
—Mary, are you sure your aunt ___ back from America?—Yes. My mother ___ me. I am going to see her now. 
#100474
A
has come; told
B
came; had told
C
had come; tells
D
is coming; has told