rove the quality of our products, we asked for suggestions hadused the products

She was educated at Beijing University, __________ she went on to have her advanced study abroad.

Why didn’t you answer my phone at 8:30 last night’— Sorry, .

I find it impossible for me _____ my old friends. This often makes me ____ sad.

ildren, ____ had played the whole day long, wereworn out.