I feel tired and weak.—Why not stop_____.

Lily and her sister look the same. I can’t tell onefrom_______.

If a peace process got under way, Saudi Arabia would_______ directly in talks about such problems of regional concern as shipping and pollution.

There’s no______from my bedroom windowexcept for some factory chimneys.

Though it was dark, my father ________ working in the field by the light of moon. [ ]