This design is ________ satisfactory.So you’ll have to try your best to better it.

    of the twins are middle school students 

—Did you call on any of your old friends when you returned to your hometown?—_______ of them. They were all very busy.

— Come on! Let’s go to the net bar.— What? _____ you ever want to do is going online. 

Lily tried on some new shoes, but she took ______ in the end. They were too expensive.