—Tonight’s negotiation _____ to be a difficult one.—I can’t agree more. Both sides are stubborn and will fight for their own benefits.
Was it because he was ill ____ he asked for leave?
It was on October 1st ____ new China was founded.
It was in the rice fields ____ we had our league meeting.
It was through Xiao Li ____ I got to know Xiao Wang.
How long ____ to finish the work?