The number of private cars in urban areas should be limited ___________the number of public buses should be increased.
| A．when | B．while | C．unless | D．until |
George Bush______was a politician,like his son George W.Bush.
| A．the older | B．older | C．the elder | D．an elder |
The bright flowers and warm winds______that spring was here.
| A．announced | B．declared | C．tell | D．published |
______to take this adventure course will certainly learn a lot of useful skills.
| A．Brave enough students | B．Enough brave students |
| C．Students brave enough | D．Students enough brave |
A computer does only what thinking people______.
| A．have it do | B．have it done |
| C．have done it | D．having it done |
“______something valuable and throw the rest away,”the mother asked her children when they were cleaning the old house.
| A．Pick up | B．Pick out | C．Pick from | D．Pick off |