We discussed the problem three or four times, but could come to no （)

一When can we discuss the problem？一（)when we can,we must prepare foritright now．A．No matt

They discussed the problem three or four times, but could come to no ______.A．endB．conclus

We 【resolved】 the problem after group discussion.

They discussed the problem three or four times b

They discussed the problem three or four times but could come to no ( ).

We only discuss the relative problems we are all ().