Dogs have a very good_____ of smell and are often used to search for survivors in an earthquake.
| A．view | B．means | C．sense | D．idea |
The playground ____ we built last year is very large.
| A．where | B．when | C．which | D．why |
The playground ___ we play football is very large.
| A．which | B．when | C．why | D．where |
she is satisfied with what you have given him and ___ you have told him.
| A．that | B．which | C．all what | D．all that |
I tried to work on, but I was so tired that I could no longer ___.
| A．hold out | B．keep out | C．stick to | D．insist on |
As time went by, the truth had ___.
| A．come true | B．come up | C．come to light | D．come forth |