There is ________ Mp4 and _____ ID card in _____ box.
| A．a; an; a | B．an; an; a |
| C．an; an; the | D．an; a; the |
The thief was last noticedthe office building by the back door on the screen．
| A．enters | B．entering |
| C．entered | D．to entering |
The scientist devotedmuch time toon the 9roject that he succeeded in the end．
| A．so；working | B．so；work |
| C．such；working | D．such；work |
the sun was not yet up，many people were already taking exercise in the square．
| A．As | B．If | C．Though | D．Until |
Theof some wild animals reminds us the problems on environment．
| A．loss；of | B．loss；of |
| C．loss；that | D．loss；to |
一How did you break mymost valuable vase?
一Sorry,but I broke it byaccident．
| A．the；／ | B．the；an | C．／：／ | D．／：the |