用括号内所给词的适当形式填空。

1. Though she is blind,  she still tries her best to help other              (disable)  people.

2. We can't set up the hospital without many kind people's          _  (donate).

3. My dog's name is Lucky because I feel very lucky              (have) him.

4. The cake was _        _ (special) made for your 20th birthday.

5. —Thank you for sending so beautiful flowers to me.

    —It's a           _ (please).

下列乔木中，在栽植前一般不进行短截重剪的是______。

A．杨树

B．悬铃木

C．梧桐

D．柳树