--Why does the river smell terrible?
--Because large quantities of water__________.
| A．have polluted | B．is being polluted | C．has been polluted | D．have been polluted |
He was __ with the results of the exam, which can be seen from his __ smile.
| A．satisfied, satisfying | B．satisfied, satisfied |
| C．satisfying, satisfied | D．satisfying, satisfying |
On the mountain _______ and in the temple_______.
| A．stands a temple; a monk lives | B．a temple stands; he lives |
| C．standing a temple; living a monk. | D．stands a temple; he lives. |
---Where did you buy the T-shirt?
---It was in the shopping mall _____ my mother works.
| A．that | B．where | C．which | D．from which |
_____ with fear, the boy stood still to avoid _______.
| A．Filling, punishment | B．Filled, being punished |
| C．Filling, being punished | D．Filled, punishing |
Tom always feels it necessary that he ________English.
| A．learns | B．would have learned | C．learn | D．were to learn |