He _____ be really difficult at times even though he ,generally speaking, is a nice person.
| A．can | B．should | C．shall | D．must |
The organization ____________ food and blankets collected from all over the world to the people who survived the earthquake．
| A．exchanged | B．purchased |
| C．govemed | D．distributed |
—Have a break,Amy．You _____________ playing the piano all the morning．
—OK，Mom．I will stop after this piece．
| A．are practicing | B．have practiced |
| C．have been practicing | D．practiced |
True happiness does not _____________ the possession of money,but the joy of achievement．
| A．contribute to | B．lie in |
| C．result in | D．add to |
I felt ___________ sudden urge to tell him all my problems but I held back because I was afraid that he would make ____________ fun of me．
| A．a／ | B．the；／ | C．a；the | D．the；a |
It was ___ he won third place ___ he realized body was merely an instrument of the spirit.
| A．since ,when | B．not until, that |
| C．only when, before | D．not until, when |