I study math by ____ lots of exercises.
#49928
A
did
B
doing
C
do
D
does
推荐题目
Mr. Lee told us an interesting story yesterday. It made all of us_______ .
#49222
A
laugh
B
to laugh
C
laughed
D
laughing
I study math by ____ lots of exercises.
Mr. Lee told us an interesting story yesterday. It made all of us_______ .