Like ancient sailors, birds can find their way____ the sun and the stars.
| A．used | B．having used | C．using | D．use |
After Billy said he would ride a mountain bicycle, his father _____ to him and bought him one.
| A．gave away | B．gave in | C．gave up | D．gave out |
The film makes me think of the happiest days ______ we spent together.
| A．when | B．where | C．that | D．which |
Could you tell me _____？
| A．where can I get to the library | B．where I can get to the library |
| C．how can I get to the library | D．how I can get to the library |
―Where did you find the gloves？
―In the case（箱子）Mother put the old clothes．
| A．which | B．where | C．that | D．when |
It was raining on the day_______ they arrived.
| A．in which | B．on that | C．on which | D．where |