I will keep calling Nancy ___________ she answers.
| A．when | B．after | C．but | D．till |
----It’s very kind of you to carry the box for me. ---- __________.
| A．I’d love to | B．Thank you for saying so |
| C．It is my pleasure | D．It’s my work. |
Good hobbies can help us _________and make our Iives _________
| A．relaxing，colourful | B．relaxing，colour |
| C．relax，colour | D．relax，colourful |
----Do you know_____ second-hand smoke? ----To prevent our health and memory.
| A．how we should prevent | B．how we should prevent |
| C．why we should prevent | D．whether we should prevent |
---- Will you buy this tie for Dad?
---- I have no idea. I don’t know or not the colour matches his new shirt.
| A．if | B．that | C．why | D．whether |
The child is too young to_________ himself．
| A．wear | B．put on | C．dress | D．dress up |