—I saw you come to school by bus this morning. —Oh, I _______ come to school by bus, but it is raining today.
—Whose Chinese book is this? —It could _____. He studies Chinese.
When he saw a wallet on the ground, he ______at once and turned it to the police.
He got the first prize in the singing competition. ____ exciting news!
The moonlight goes ____ the window and makes the room bright.
— We’ll have a____holiday. What about going to Tibet? — Sounds great.