Edison was a clever boy, and ______ he was fourteen, he had learned advance mathematics by himself.
| A．whenever | B．by the time | C．the moment | D．ever since |
A medical team , ________ five experienced doctors and ten skilful nurses , was sent to the earthquake-stricken area in Turkey.
| A．making up of | B．made up | C．consisted of | D．consisting of |
We ______ John’s name on the race list yesterday but for his injury.
| A．will put | B．will have put | C．would put | D．would have put |
Some insects ______ the color of their surroundings to protect themselves.
| A．take in | B．take off | C．take on | D．take out |
The living room is clean and tidy, with a dining table already ______ for a meal to be cooked.
| A．laid | B．laying | C．to lay | D．being laid |
Sam _____ some knowledge of the computer just by watching others working on it.
| A．brought up | B．looked up | C．picked up | D．set up |