问题
选择题
I do ______ your timely help yesterday, without _______ I couldn’t have found the solution.
A．thank; which
B．appreciate; it
C．thank; it
D．appreciate; which
答案
答案：D
题目分析：考查动词和定语从句：句意：我确实感谢你的及时的帮助，没有它，我找不到解决的办法。Thank和人搭配，appreciate可以接sth做宾语，在BD里面选，因为是定语从句，without后面接which，选D。