After going into the concert hall, the mother _____ a friend and went over to greet him.
| A．searched | B．knew | C．spotted | D．realized |
See the clouds! It ___ rain.
| A．will | B．is going to | C．must | D．certainly |
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 |