173. I can hardly imagine Peter _______ across the Atlantic Ocean in five days.
| A．sail | B．to sail | C．sailing | D．has sailed |
I am told that the new law will come into _____ on January 1st next year.
| A．effect | B．fashion |
| C．service | D．existence |
Is this the reason _____at the meeting for his carelessness in his work?
| A．he explained | B．what he explained | C．how he explained | D．why he explained |
---Can you speed up a little? I’ll be late for my flight.
--- __________. I’m taking a short cut. We’ll make it on time.
| A．OK, I’ll speed it up | B．Never mind |
| C．Take it easy | D．Take your time |
Large quantities of water , as well as some other timely help including a medical team, _____ since the serious drought hit Yunnan Province.
| A．has offered | B．had been offered | C．have been offered | D．is offered |
—How did it _____ that you made such a silly mistake?
—I myself haven’t figured it out yet.
| A．bring about | B．come about | C．come across | D．come on |