When the teacher walked into the classroom, the students ____ at once.
#61462
A
stopped to talk
B
stopped talking
C
stop to talk
D
stop to talking
推荐题目
Let her ________ the book there.
#61697
A
bring
B
brings
C
taking
D
take
On the 40th Earth Day, Dr Wang gave us a talk on the importance of ______ the earth.
#62713
A
practicing
B
preventing
C
polluting
D
protecting
 Nancy quickly  ________ the door and put down her school things. 
#53553
A
opens
B
opened
C
has opened
D
is opening