________ , some famous scientists have the qualities of being bothe careful and careless.
A Strangely enough B Enough strangely C Strange enough D Enough strange
I think you look great as you are. You shouldn’t be _________ about your weight.
| A．excited | B．confused | C．frightened | D．embarrassed |
I used to go to the gym three times a week, but I don’t _______ any more.
| A．work on | B．work at | C．work out | D．work for |
The pills really work! I __________ 7 kilograms in the last two months!
| A．lose | B．lost | C．am losing | D．have lost |
Now I regret ______ those weight-loss pills.
| A．took | B．taking | C．taken | D．to take |
We also had different students in some classes, so ______was a struggle to remember all the faces.
| A．it | B．this | C．that | D．one |