Question

将下列句子改写为现在完成时态。
1. She went to Beijing yesterday. (already)        
    She _____ _____ to Beijing already.    
2. Did he do anything today? (yet)         
    _____ he _____ anything _____?    
3. We saw each other two days ago. (since)        
    We _____ ____ each other two days _____.   
4. What is he doing now? (these days)        
    What _____ he _____ _____ these days?

Answer 1

l. has gone  2. Has; done; yet  3. haven't seen, since; ago  4. has; been doing