_________ is known to all，good friends _________ happiness and value to life.
| A．It； add | B．As； add | C．It； add up | D．As； add to |
I would ________it if you would let me deal with this by myself .
| A．appreciate | B．inspect | C．protecct | D．replace |
On the floor lay four or five boxes _______toys and books .
| A．decreasing | B．empolying | C．containing | D．affecting |
To their ________,someone had found the keys and handed them in .
| A．mercy | B．incident | C．attention | D．relief |
I just wonder how he can feed a family of eight on such a low ________.
| A．basis | B．stage | C．income | D．track |
According to a study ,little children often feel ________near their parents .
| A．magical | B．secure | C．faithful | D．universal |