问题
选择题
To their great _____, Tom’s problem proved not to be as serious as they had feared.
A．happy
B．worry
C．anxiety
D．relief
答案
答案：D
根据句意：汤姆的问题证明没有他们担心的那么严重，所以用：To their great relief“使他们宽慰的是”，A项是形容词，不符合，B、C也不符合句意。选D。