11. Mrs. White found her husband surrounded by letters and papers and _________ very worried
| A．looked | B．looks | C．looking | D．to look |
It sounds like something is wrong with the car’s engine. ______, we’d better take it to the garage immdiately.
| A．Otherwise | B．If not | C．But for that | D．If so |
Have a care what you say ______ you may regeret.
A.or B. and C. however but
Only when he saw the test paper himself, ______ he had failed in the exam again.
| A．he believed | B．he had belived | C．did he believe | D．had he believe |
It is no good ______ the flowers to often, for a lillte water is enough for them.
| A．watering | B．to water | C．watered | D．waters |
_____ into English, the sentence was found to have an entirely different word order.
| A．Translating | B．To translate | C．Having translated | D．translated |