用所给单词的适当形式填空。1. I send __________ (a) e-mail to my friend.
2. Look at these __________ (picture).
3. There is a letter on __________ (paper).
4. The postcard __________ (have) a panda on it.
5. Danny __________ (do) his homework now.
试题答案
1. an 2. pictures 3. paper 4. has 5. is doing