—I have to be off right now.—What a pity! I you could stay a little longer with us.A. think B. am thinking C. thought
—What happened ________Sarah? —She failed in the English test.
Several ________ students came to the meeting.
This book is ________for a six-year-old child to read.
The window was broken. Try to ________who has broken it.
Don’t forget to turn ________the lights when you leave the office.