. —Would you like to come to dinner tonight？
—I’d like to, ___ I’m too busy.
| A．and | B．so | C．as | D．but |
It is not for me to return all the books to the library now because I still need them.
| A．mature | B．convenient | C．available | D．tight |
I think Zheng Jie is _______ a rising tennis star. She has put China on the tennis map.
| A．especially | B．formally | C．definitely | D．gradually |
—Why couldn’t they meet us at five o’clock?
—Because they were delayed by _________.
| A．heavy traffic | B．heavy traffics | C．crowded traffic | D．crowded traffics |
—Can I buy Jane Rye here?
—Sorry, but we’ll call you as soon as it becomes .
| A．present | B．available | C．convenient | D．inexpensive |
The bridge is closed so we advise you to use a(n) ______ route.
| A．accurate | B．alternative | C．tentative | D．primitive |