问题
填空题
根据句意，用括号内所给单词的适当形式填空。
1. You look (worry). What's the matter?
2. What you've said is (possible) true, but I disagree with you.
3. The policeman is looking for the (own) of the black car.
4. Wang Ping often (study) English in the morning.
5. Something (drop) onto the floor just now.
答案
1. worried 2. possibly 3. owner 4. studies 5. dropped