-It's down to you to pick up the lecturerto give us the report tomorrow.
-Yes, But how can I pick him out ______ I'min the dark about his appearance?
A. while B. though C. since D. when
答案是when
how can....when 在。。。的情况下，我怎么能。。。。
When表示既然，考虑到

-What about your trip to the town?-Couldn't be worse .Stuck in the mud , the car ______not move, however hard wepushed it .
A. could B. should C. would D. might
would not ....(怎么努力)都不能/不会。。。the door won't open

2014江苏高考卷中C篇
64. What is the key message of the last paragraph?
A. How anger differs from other emotions. B. How anger relates to other emotions.
C. Behavioural responses to anger. D.Behavioural patterns of anger.

28. The firespread quickly, and soon Tom’s house went to ruin. He stood there dumbfoundedwith both his eyes __________ on the ruins.
A. focus B. focusing C. focused D. to focus
focus eyes on
with + n. + ing/ed/to do 的结构，中间的名词与后面动词之间的关系，来决定用-ing/-ed/to do .