用来
It was not _____ midnight that they discovered the children were not in their beds.
It was not \_\_\_\__ midnight that they discovered the children were not in their beds.
All that you said _____ true. All _____ reading their textbooks when the teacher entered.
All that you said \_\_\_\__ true. All \_\_\_\__ reading their textbooks when the teacher entered.
People use the 311 call system to report _____.
People use the 311 call system to report \_\_\_\__.
秒表上的长针是____针,短针是____针.表壳上的按钮是用来控制表的____及____、____的.
秒表上的长针是\_\_\_\_针,短针是\_\_\_\_针.表壳上的按钮是用来控制表的\_\_\_\_及\_\_\_\_、\_\_\_\_的.