----Where is my watch? I _______ find it. ----Don’t worry. It must be somewhere in your room.
The computer needs_________. I think I need ________ to ask Mr. Zhang for help.
---- What else do you think we should pay attention _________ our environment?---- Sorry, I’ve no idea.
It seems that the students devote much time and energy _____ a high score in the exam.
Sandy feels sure about her own ability. She is a (n) _______ person.
---- I’ll have an English exam about star sign next Monday. ---- _____.