When and where this took place _____ still unknown.
| A．is | B．has | C．were | D．are |
He’s got himself into a dangerous situation ________ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
What surprised me was not what he said but _______ he said it.
| A．the way | B．in the way that | C．in the way | D．the way which |
—Sorry to hurt you.
—_______. You didn’t mean to, did you?
| A．Forget it | B．No problem | C．All right | D．Don’t say so. |
--- Guess what! I came across an old friend at the party last night.
--- ______ I’m sure you had a wonderful time.
| A．Sounds good! | B．Very well. | C．How nice! | D．All right. |
My patience is ________.
| A．running over | B．running out of | C．running out | D．using up |