—Jack took the 8:30 bus to Guangzhou this morning.—Really? He ______ 8:20 Express. It is much more comfortable and faster to travel by train.
A great number of people have stopped buying the product ________ the fact that it is safe.
---I hear you won the prize in the English contest last week. ---That was the second time I ________ the prize.
The charity sale our school organizes every year has taught us much that we would never have________ learned in class.
---Harry, we want to know your view about the reform being carried out in our school. ---OK. I ________ to that.
Tom hid himself behind the door, _________ he could hear the steps of his mother clearly.