________ the tower building，where you can see the whole city
| A．Standing on the top of | B．If you climb to |
| C．When you reach the top of | D．Get to the top of |
Bell is considered _____ the first phone in 1896.
| A．inventing | B．having invented |
| C．to invent | D．to have invented |
---- Are you still a teacher?
---- No, I____ in Harbin No. 3 High School for five years.
| A．worked | B．have worked | C．have been working | D．had worked |
---- Can you show me how to use Ipad 2?
---- Why don’t you just read the _____?
| A．instruction | B．introduction | C．description | D．directions |
The horrible accident _____ his carelessness of drunk driving.
| A．resulted in | B．resulted for | C．led to | D．resulted from |
So far we have done a lot to build a low-carbon economy, but it is ____ ideal (理想). We have to work still harder.
| A．next to | B．far from | C．out of | D．due to |