--It’s reported that the new underground line has been completed. --Yes, but it hasn’t been made clear ________ it’s to be opened to traffic on time as planned.
__________ everyone else wouldn't go to the mountain area, he went without a second thought.
Mother told her son to keep __________ how much money he had spent.
The problem was so __________ that such a little boy can't solve it.
When such an organised group became too large for its members to travel together comfortably, it would __________.
My junior middle school teacher had a great influence __________ my career.