Every time he had a chance，he would talk about the great difficulty he had in the new country．
| A．settled | B．settling | C．to settle | D．settle |
—As we know, you won’t go back to the USA since you have established a research center here．But how long _____ in America?
—For almost 10 years．
| A．did you study | B．have you studied |
| C．were you studying | D．have you been studying |
—It appears that your relationship with Mike is not normal, doesn’t it?
—I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss．
| A．unless | B．since | C．for | D．until |
It was an exciting moment for these football fans this month, _____ again Sun Wen appeared on the football pitch．
| A．that | B．where | C．which | D．when |
After the fire, _____ would otherwise be a cultural center is now reduced to a pile of ashes．
| A．that | B．it | C．what | D．which |
—What do you think of the concert?
—I really enjoy it．I didn’t expect it was ______ wonderful．
| A．more | B．very | C．most | D．as |