现在完成时与现在完成进行时比较练习B. Complete the following sentences with the right form of the verbs given.（根据所给动词的适当形式填空）1. You know, I _ (look) for a job for three months, and this is my first formal interview.2. My sister _ (stay) in Beijing for three months last year.3. The little boy is dirty all over because he _ (play) in the mud all the morning.4. I _ (wonder) if you were free this afternoon.5. Here he is! We _ (wait) anxiously for him since last night.
