When I was walking in the street, I saw a plane___________ over my head.
#42508
A
flies
B
flying
C
flew
D
fly
推荐题目
______ you _______ for a picnic next Sunday?
#41838
A
Are, will
B
It, will
C
Are, there
D
Are, going
Listen, a small number of students ______ in the classroom. 
#40135
A
talk
B
talks
C
is talking
D
are talking
Yesterday I didn’t _____ any seals but _____ some dolphins.
#41789
A
see, saw
B
see, see
C
saw , see
D
saw, saw