—Where were you at ten o’clock this morning?—I ________ with my friends in the park at that time.
#39689
A
fly kites
B
am flying kites
C
was flying kites
D
flew kites
推荐题目
If any accident ______ here tomorrow, it will be very serious.
#42462
A
happens
B
will be happened
C
will happen
D
is happened
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
The meeting _ by the time I got there yesterday.
#42169
A
was on
B
has been on
C
had begun
D
has begun
---- Who ______ the room?  ----My brother______. 
#40083
A
clean , is
B
clean does
C
cleans, is
D
cleans, does