The problems at the meeting tomorrow are really hard to solve.
#94626
A
discussed
B
to discuss
C
to be discussed
D
discussing
推荐题目
____ each other for years, they talked almost the whole night and had a wonderful time.
#88676
A
Not having seen
B
Having not seen
C
Not seen
D
Not to see
One learns a language by making mistakes and _______ them.
#97851
A
correct
B
correcting
C
corrects
D
to correct
________ around the Tian An’ men Square, the tourists from Iceland were taken to visit the Palace Museum.
#95534
A
Showing
B
Having shown
C
Being shown
D
Having been shown