Such a problem___should be settled first
| A．like that is |
| B．as this |
| C．as that this is |
| D．like this is |
______ is known to us all is that China has launched Shenzhou V spaceship successfully.
| A．That | B．What | C．It | D．As |
He hasn't come yet．What do you consider _______ to him？
| A．happens | B．has happened |
| C．happening | D．to happen |
Unfortunately, when I dropped in, Doctor Li _____ for Beijing to join in the fight again SARS, so we only had time for a few words.
| A．just left | B．has just left |
| C．is just leaving | D．was just leaving |
Children’s brains can’t develop properly_______ they lack protein
| A．when | B．since | C．because | D．unless |
This is the very toy car ________ which he came here the other day.
| A．by | B．in | C．for | D．on |