15.---The current international financial crisis is affecting most countries in the world.
---Would it be at least several years ____ everything returns to normal?
A.when B.that C.since D.before
14.____ , the boys were shouting and singing.
A.Happy and excited B.Happily and excited C.Happily and excitedly D.Happy and excitedly
13.They appeared ____me, so I had to explain to them.
A.misunderstanding B.misunderstood C.to be misunderstood D.to have misunderstood
12.Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2010,____ are popular with teenagers.
A.many of his songs B.many of whose songs C.many of which songs D.and many of whose songs