It’s the protection for the trees ______ really matters, ______ how many trees are planted each year.
| A．which; or rather | B．as; more than |
| C．what; other than | D．that; rather than |
—Hurry up! Alice and Sue are waiting for you at the school gate.
--- Oh! I thought they ____ without me.
| A．went | B．are going | C．have gone | D．had gone |
Listen to the two girls by the window. What language_________.
| A．did they speak | B．were they speaking |
| C．are they speaking | D．have they been speaking |
My brother is an actor. He _____in several films so far.
| A．appears | B．appeared | C．has appeared | D．is appearing |
Years ago we didn’t know this, but recent science ______that people who don’t sleep well soon get ill.
| A．showed | B．has shown | C．will show | D．is showing |
Father ____ for London on business upon my arrival, so I didn’t see him.
| A．has left | B．left | C．was leaving | D．had left |