After her son died in a car accident, the old lady would sit at the window, ______ out and _______ in thought.
| A．looked; lost | B．looking; losing |
| C．looked; losing | D．looking; lost |
—Tom, your lazy bone! You left the dishes unwashed again!
—_______? Mom isn’t at home and she can’t hear you.
| A．Why | B．So what | C．For what | D．How come |
The driver was at _____ loss when ______ word came that he was forbidden to drive for speeding.
| A．/;the | B．a; the | C．/; / | D．a; / |
One of the most important things in education is to let students ____ positive emotions and experience in the process of their learning.
| A．require | B．acquire | C．demand | D．clarify |
––– I felt left out at the party last night.
––– Really? ____, you should have said something.
| A．If possible | B．If so | C．If necessary | D．If any |
Where were you at supper time? I ____ for you to join me.
| A．waited | B．had waited | C．have been waiting | D．was waiting |