________is well known to all that Barack Obama will keep his promise___________he will remove the military forces from Iraq.
| A．As, which | B．It, that | C．What, that | D．It, which |
It looks like ___.
| A．rain | B．to rain | C．rains | D．raining |
___ of students in our class are from peasant families.
| A．Third fourths | B．Three fourth | C．Three fourths | D．Three four |
Do you mind ___ here?
| A．my smoking | B．to smoke | C．for my smoke | D．for me to smoke |
I can still remember ___ for the first time by the teacher when I was in Grade One.
| A．being praised | B．praising | C．having praised | D．to be praised |
His article is good ___ some spelling mistakes.
| A．except that | B．except | C．except for | D．besides |