What we all know is that the old scientist, _______ life was hard in the past, still works very hard in his eighties.
| A．for whom | B．for him |
| C．for whose | D．for which |
In order to make our city green, _________.
| A．it is necessary to have planted many trees | B．many more trees need to plant |
| C．we must plant more trees | D．our city needs more trees |
He was about to tell me the secret _______ someone patted him on the shoulder.
| A．as | B．until | C．while | D．when |
We may go to Hawaii or California._______ , we have to find a way to escape the snow this winter.
| A．Also | B．In addition | C．Somehow | D．Anyway |
As time went by, the plan I stuck ______ fairly practical.
| A．to was proved | B．to proving | C．to proved | D．to be proved |
— The weather is too cold ______ November this year.
— It was even ______ when I came here years ago.
| A．for; colder | B．in; cold | C．in; hot | D．for; hotter |