Mary _____ by the lake when a black cat ran past her.
#40107
A
sat
B
has sat
C
was sitting
D
sits
推荐题目
I _________ my pen when I _____________ in the park.
#41973
A
lost; was walking
B
lost; walked
C
was losting; was walking
D
was losting; walked
Mr. White came to our school in 2008, and since then he ______ us English.
#42358
A
teaches
B
taught
C
has taught
D
will teach