How do you find the performance by thepianist– ______ I can’t think too highly of it

she is a lovelygirl, she be extremely difficult to work with.

Those shoes won’t_____for mountain-climbing　—_____this pair be OK?

What do you think of investing in today’s stock market?— There are many risks, but also many ________ gains. [ ]

What do you think of this one— It looks nice. But I ________ why you choose (选择) this one for me.