John plays football ________ , if not better than , David .

[　　]

This is the third time we ________ improvement (改进) in that machine .

[　　]

A．had made

B．have made

C．are making

D．would have

It is no good ________ your time in the street .

[　　]

The train ________ at eight tonight .

[　　]

Kepler proved that the sun ________ the centre of the solar(太阳的)system .

[　　]

To know everything is ________ nothing .

[　　]

A．the same to know

B．to know

C．knowing

D．the same as know

Look , ________ in his usual T-shirt .

[　　]

They suggested a new shopping centre ________ across the road .

[　　]

That dinner was the most expensive meal we ________ .

[　　]

Mont Blanc, ________ we visited last summer, is the highest mountain in Europe.

[　　]