It is almost five years__________ we saw each other last time.
| A．before | B．since | C．after | D．when |
What disappointed us was that the player should ________ the game.
| A．give off | B．give out |
| C．give up | D．give in |
The two sportsmen congratulated each other ________ winning the match by shaking hands.
| A．with | B．on | C．in | D．to |
The experiment shows that proper amounts of exercise, if ________ regularly, can improve our health.
| A．being carried out | B．carrying out |
| C．carried out | D．to carry out |
________ from the top of the tower, the south foot of the mountain is a sea of trees.
| A．Seen | B．Seeing |
| C．Have seen | D．To see |
________ at my classmates' faces, 1 read the same excitement in their eyes.
| A．Looking | B．Look |
| C．To look | D．Looked |