When _______ to our school, the new study methods are popular with all the students.
#98455
A
to introduce
B
introduced
C
introducing
D
to be introduced
推荐题目
I know it’s time I got down _____ my homework, but I just can’t resist _____ computer games.
#96650
A
to doing; playing
B
to do; to play
C
to doing; to play
D
to do; playing
I still remember ______ to the south where we attempted _____ the river, which proved to be dangerous. 
#89733
A
to be take; crossing
B
to be taken; to cross
C
being taken; crossing
D
being taken; to cross
When I was walking in the street, I heard my name ___.
#97764
A
to call
B
calling
C
call
D
called
We suggested ___ trees at the weekend.
#97802
A
planted
B
plant
C
to plant
D
planting