Many problems concerning the improvement of our school remain ________.
#96679
A
solving
B
solved
C
to solve
D
to be solved
推荐题目
______ to somebody , a British person often shakes hands with the stranger . 
#98543
A
Introducing
B
To introduce
C
To be introduced
D
On being introduced
When you come into our school yard, you will notice our beautiful school _____by green trees.
#95784
A
surrounding
B
surrounded
C
to surround
D
being surrounded
What ______ us most was that the news that the names for the pandas had been chosen was really ______. 
#97736
A
excited, excited
B
exciting, excited
C
excited, exciting
D
exciting, exciting