.I am not sure ____ . Which of the following is not right?
| A．which club shall I join next term |
| B．how much sleep we need every day |
| C．what life would be like without hobbies |
| D．why he always feels tired in class |
_________ eight-year-old girl saw _________ UFO yesterday.
| A．An; an | B．An; a | C．A; a | D．A; an |
There are many volunteers _________ are helping the children in Sichuan.
| A．which | B．when | C．who | D．why |
-- Our dreams won’t come true __________ we know what our dreams are.
| A．after | B．unless | C．while | D．since |
— Could you give me ______ to eat? I’m so hungry.
— Of course. Here are some cakes and fruits.
| A．nothing | B．anything | C．everything | D．something |
Reading more helps ________ learn better.
| A．we | B．our | C．us | D．ours |