It’s too late to set out to see a film now. _________, we have a lot of homework to do.

Deserts, dry areas with _____ no vegetation, cover more than one-third of the Earth's land surface.

At first the institute refused to purchase the telescope, but this decision was _____ revised.

The old man was tired and walk more slowly but he home_______.

 — It’s getting dark, but Mr. Chen is till at his office. — No surprise. Who else can _______ he does.