I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.
| A．mustn’t | B．shouldn’t |
| C．needn’t | D．couldn’t |
＿＿＿＿＿ heat is different from temperature?
| A．How do you think | B．How you think | C．What do you think | D．What you think |
＿＿＿＿＿ his face, the young man must be over 20.
| A．Judged from | B．Judged | C．Judging from | D．Judging |
＿＿＿＿＿ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.
| A．Were | B．Should | C．Would | D．Will |
He broke his legs while ＿＿＿＿＿.
| A．riding | B．ride | C．was riding | D．rode |
If you go to Xi’an, you will find the palaces there more magnificent than commonly＿＿＿.
| A．supposing | B．supposed | C．to suppose | D．suppose |