Although this ______ sound like a simple task, great care is needed．
| A．must | B．may | C．should | D．shall |
Some parents are just too protective. They want to ________ their kids from every kind of danger, real or imagined.
| A．spot | B．dismiss |
| C．shelter | D．distinguish |
People have always been ________ about exactly how life on earth began.
| A．curious | B．excited |
| C．anxious | D．careful |
When I reached front door, I suddenly sawstrange sight last night.
| A．the; 不填 | B．a; the |
| C．不填; a | D．the; a |
If I had known my life was going to ______ like this, I would have let them kill me.
| A．find out | B．turn out |
| C．give out | D．work out |
Of the estimated 42 million homeless people around the world, children again ______ one third.
| A．make up | B．take up |
| C．build up | D．turn up |