─Do you know_____second-hand smoke? ─To protect our health and memory.
| A．how we should prevent | B．how we should prevent |
| C．why we should prevent | D．whether we should prevent |
How do you spell watch?—_________.
| A．W-A-T-C-H | B．No, it’s not a watch |
| C．It’s my watch | D．Yes it’s watch |
Thank you ________the great photo_______your family.
| A．for; in | B．for; on | C．in; at | D．for; of |
_______, What’s your name?
| A．Sorry | B．OK | C．Excuse me | D．Thank you |
——Look! Who is the man in the picture（图片）?
——I know. ______ Zhou Xingchi.
| A．I’m | B．It’s | C．He | D．She’s |
.Mum, ________my teacher, Mr Wang.
| A．he is | B．it is | C．this is | D．that is |