--What do you think of ________ gifted chemist from London?
---Well, sometimes his behavior is beyond ________ comprehension.
| A．a, the | B．the / | C．the the | D．a / |
I promised to go to the party with Jane and I can’t ___________her ___________.
| A．let…down | B．do…up | C．round…up | D．set…down |
—Mr. Johnson, would you have some more ice-cream?
—No, thanks. It’s very good, but I have to ____________ my weight, you know.
A watch． B．remain C．notice D．see
It may rain --- you’d better take an umbrella _________.
| A．in case | B．in this case | C．in no case | D．under the case |
A notice was placed by the river bank warning people to ___________ the thin ice.
| A．keep off | B．keep out | C．keep away | D．keep on |
I was close to being killed the other day. A car passed me at ____ I thought was a dangerous speed.
| A．as | B．which | C．what | D．that |