1 . It’s too dry. These flowers need ________ (water). (用所给词的适当形式填空)

2 . How many times does the diamond need to ______________ (polish) to be a delicate artwork? (所给词的适当形式填空)

3 . If you don’t seize the day to devote yourself to your studies, you are bound __________ (overcome) with regret. (所给词的适当形式填空)

4 . The knife is not ________enough so it needs to be ________, which I think will ________improve your work efficiency.(sharp) (所给词的适当形式填空)

5 . In order not ________ (disturb), I spent three hours studying, locked in my study. (所给词的适当形式填空)

6 . With the gains and losses carefully weighed, we are confident the plan really deserves ________ (try). (所给词的适当形式填空)

7 . At this point, it is not clear why dogs seem to ________ (equip) with the ability to recognize different facial expressions in humans. (所给词的适当形式填空)

8 . As a result of the serious flood, two ­thirds of the buildings in the area need ________ (paint). (所给词的适当形式填空)

9 . With the exam __________ (hold) tomorrow, I can’t go to the cinema with my parents tonight.

10 . He refused to be ____________ (intimidating) by their threats. (所给词的适当形式填空)