After that he knew he could _any emergency by doing what he could to the best of his ability．
A． get away with B． get on with
C． get through D． get across
—You may find the key to the math problem on page 107．
—Ah, it's so simple． I wonder why I _ of that．
A． hadn't thought B． haven't thought
C． didn't think D． wasn't thinking
A turning point of the continuously high housing price won't appear suddenly because there must be a certain process _ many factors lead to the change．
A．which B．what C．where D．that
---Ken, _, but your radio is going too loud．
---Oh, I’m sorry． I’ll turn it down right now．
A．It doesn't hurt to ask B．I'm crazy about it
C．I’m really tired of it D．I hate to say it
When chatting with her on the mobile phone, the battery _ dead suddenly.
A．went B．came C．remained D．changed
His explanation that he was at loss what to do next doesn't hold water.
A．a ;/ B．a; the C．the; / D．/;/
