_____ do you have a face-to-face talk with your parent(s)? [ ]

Is this your dictionary? —Yes. I ________ it for two weeks. (Which is NOT right?)

This is______difficult problem that few students can work it out.

His unclebe very poor,but now he has been very rich.

Hei Longjiang is a pretty province __________ a river __________ through it.[ ]