Once we have________some knowledge, things do not become more difficult, but comprehensible.
All of us remember the earthquake that ______ Wenchuan in 2008.
Paul had to write a history paper, _____ he couldn’t find time to do it.
They want to know ______do to help us.
I’d like to study law at university ____ my cousin prefers geography.
This is Ted’s photo. We miss him a lot. He trying to save a child in the earthquake