Tony was seriously ill, ____ he did’t go to hospital.
| A．so | B．because | C．but | D．though |
----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 |
You can never imagine what great difficulty I have _________ your house.
| A．found | B．finding | C．to find | D．for finding |
----I wonder if your father _______ you to go swimming.
----I’m not sure. But I will tell you if he _______ to let me join you.
| A．will allow; will agree | B．allows; agrees |
| C．allows; will agree | D．will allow; agrees |