【简答题】选择适当的介词填空。 on in of at for 1. They bring gifts ______________ us. 2. We sing special songs ______________ Christmas. 3. We put Christmas things ______________ the tree. 4. It is shinin...
【简答题】填空。 1. Han Mei enjoys ____ (sing) in English. 2. Let me help you ____ (find) them. 3. ____ (swim) is the best sport in summer. 4. Are you ____ (go) ____ (hike) this Sunday? 5. We decided ____ (go) f...