The People's Republic of China was founded ____ October 1st， 1949． We'll celebrate its 70th anniversary this year．（ ）
| A． |
in |
B． |
on |
C． |
at |
In the future，robots will do ______ jobs in place of people in order not to get us ______．（ ）
A．bored； boredB．boring； boring
C．boring； boredD．bored； boring
If you ______ able to come，I will show you around my hometown．（ ）
A．isB．can beC．will beD．are
The old building ______ down to make room for the city library a year ago．（ ）
A．was takingB．is takenC．was takenD．would take
Look，______ excited the boy is on seeing these cute pandas!（ ）
A．howB．how anC．what anD．what
Where is your uncle，Jane？
He is in Guangzhou．He ______ for a month．（ ）
A．has leftB．has gone
C．leftD．has been away