Our town________poor in the past, but great changes________in the town in the past three years.[ ]

I wonder _______. He seems to be very worried.— His favourite pen has gone missing and he is looking for it around the school.

We waited for her for a long time, and it was getting late when she finally _________.

(2013·吉林长春三校高三调研)It is important to introduce children to healthy nutritious foods from ________ they begin to eat solids

Although she didn’t know Boston well,she made her way _______to the Home Circle Building.