I had been puzzled over t he problem for over an hour without any result, all at once a solution flashed across my mind.
A．while B．when
C．then D．as
—So hard in the past few years that he has made great progress in English.
—I can see that, only a few mistakes in this exam.
A．has he worked; did he make B．he has worked; he made
C．he has worked; has he made D．has he worked; he made
Betty shows great interest in this poem now, but she thought it boring she read it.
A．at the first time B．the first time
C．for the first time D．at first
．—How did you like Nick’s performance last night?
—To be honest, his singing didn’t me much.
A．appeal to B．attach to
C．refer to D．occur to
The city of Nanchong has grown so fast that it’s at least what it used to be.
A．five times the size of B．five times the size as large as
C．five times larger D．five times size as
—Putting on a happy face not only helps us make friends but also makes us feel better.
— .
A．I’m with you on that B．I’d love to
C．It’s up to you D．It’s my pleasure
