The flowers his friend gave him will die unless________every day.
| A．watered |
| B．watering |
| C．water |
| D．to water |
16. I was speaking to Ann on the phone when suddenly we were_____
| A．cut in | B．cut up | C．cut down | D．cut off |
. He _____ have completed his work; otherwise he wouldn’t be enjoying himself by the seaside.
| A．should | B．must | C．can’t | D．wouldn’t |
______ more about university courses, call (920) 746-3898;
| A．having found out | B．Finding out | C．Find out | D．To find out |
. Understanding the article is _______ my ability
| A．away from | B．over | C．beyond | D．on |
. My father likes outdoor activities,_______ my mother prefers staying at home.
| A．when | B．while | C．after | D．before |