【简答题】用适当的介词填空。 1. There is a bird ____________ the tree. 2. The National flag is ____________ the blackboard. 3. Mr Smith is travelling ____________ the world. 4. Jim is reading ____________ the desk. 5. T...
【简答题】用方框中所给单词的适当形式填空 save mistakes friend spoken ever 1. I can't understand __________ English. 2. I make __________ in grammar. 3. Have you __________ studied with a group? 4. If you are m...