20. He reads newspapers every day to keep himself_______about what's going on in the world.
| A．inform | B．informing | C．informed | D．being informed |
The air holds the feather back more than it ___ the stone.
| A．holds | B．do | C．has | D．does |
Do make sure that you ___ a seat today!
| A．got | B．get | C．should get | D．have got |
---Excuse me, sir, but ___ you speak English? ---Sure, but only a litte.
| A．do | B．can | C．will | D．would |
Look, here ___ the bus!
| A．comes | B．is coming | C．will come | D．has come |
--Will you tell us something about the weather there?---I ___ to that.
| A．go | B．come | C．’m going | D．’m coming |