（优先选择有解释的!）
1—How was your summer vacation,Jim?
—____ I didn't do anything interesting!
A Not bad B Great C Terrible D Pretty good （翻译下 I didn't do anything interesting）
2 What do you often do ____ snowy day?
A in B on C at D /
3—What are they doing?
—They ____ a story.
A listen B listening C are listening D are listening to