The town hall_____in 1800’s was the most distinguished building at that time.
| A．to be completed | B．having been completed |
| C．completed | D．being completed |
—Is the chemistry experiment easy? —______. I’ll just do my best.
| A．I think so | B．Certainly |
| C．Not a little | D．Anything but |
The number 5.12 is a special number,__ ,I think, that will be remembered by Chinese people forever.
| A．what | B．it | C．which | D．one |
The country has already sent up three unmanned spacecraft, the most recent__at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
_____ for his action on the playing field, but he is also famous for the things that he does off the playing field.
| A．Not he is only known | B．Not only is he known |
| C．Only is he known not | D．He is only not known |
Nowadays, cellphones have features such as games ,music and calendars and more new functions___.
| A．are added | B．have added |
| C．are being added | D．have been added |