______is known to us all, only the theory ______ on practice can be practical.
| A．Which; base | B．Which; based | C．As; based | D．As; basing |
—So hardin the past few years that he has made great progress in English.
—I can see that, only a few mistakesin 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 boringshe 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’tme 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 leastwhat 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 |