She always watches her son ________ the road every morning, or she will feel worried.
#48963
A
crossing
B
cross
C
to cross
D
to crossing
推荐题目
Tony is busy _______ his homework.
#50470
A
doing
B
do
C
to do
D
does
He couldn’t help ____ .The news was so ____ .
#50819
A
smiling, excited
B
to smile, exciting
C
smiling, exciting
D
smiled, excited
He used to _______in the sun  ,but now he is used to ______at night.
#48575
A
read;read
B
reading;read
C
read; reading
D
reading; reading