Only then ________ that he had lost a good chance of achieving his dream.
| A．he realized | B．realized he | C．did he realize | D．will he realize |
---Lemon used to be shy , didn’t she ?
---________ . But now she is outgoing as well as active.
| A．No , she wasn’t | B．Yes , she was | C．Yes , she did | D．No , she didn’t |
Seeing an old man get on the crowded bus, Li Hong stood up at once and ______ her seat to him.
| A．took | B．borrowed | C．offered | D．Lent |
I was so busy that I ________ my hair cut last Saturday.
| A．haven’t | B．didn’t have | C．hadn’t | D．don’t have |
--- How long has the movie ________?
--- About half an hour .
| A．begun | B．started | C．shown | D．been on |