1 . Many more soldiers have been brought in to strengthen the ________ (defend). (所给词的适当形式填空)

2 . In terms of ________ (compose), it is the quality of the mind that counts. (所给词的适当形式填空)

3 . His height is a great _____________ (advantage) for him when playing basketball, but he manages to overcome it with his great skills.

4 . To our great joy, he made a quick ____________ (recover) after the operation.

5 . The woman looked at him in _______(confuse) and said something about changing her clothes. (所给词的适当形式填空)

6 . However busy you are, you ought to set aside some time for ________ (entertain). (所给词的适当形式填空)

7 . After that, ________ (dinosaur) developed. They existed on the earth for over 140 million years. (所给词的适当形式填空)

8 . Columbus Day is meant to celebrate the ________ (arrive) of Columbus in the New World. (所给词的适当形式填空)

9 . The man killed four people in a night, and everyone was greatly by the man’s ____   (cruel).

10 . Many boys and girls go to college after their ________( graduate) from high school. (所给词的适当形式填空）