.Please remain _____until the plane has come to a complete stop.
| A．to seat | B．to be seated | C．seating | D．seated |
—Are you worried about her safety?
—Just_______. She isn’t alone.
| A．entirely | B．gradually | C．generally | D．slightly |
Could I speak to_______is in charge of International Sales please?
| A．who | B．what | C．whoever | D．whatever |
A modern city has been set up in_______was wasteland ten years ago.
| A．what | B．which | C．that | D．where |
It has been a long time for human to make _____ to reach the moon.
| A．its easy | B．it’s possible | C．it truth | D．it possible |
—Hi, Tom. Any idea where Jane is?
—She_______in the classroom. I saw her there just now.
| A．shall be | B．should have been | C．must be | D．must have been |