[单项选择]I think I must have（　）my purse at home.
A. forgotten
B. missed
C. left
D. taken

[单项选择]My papers and books got______. I must have them all carefully arranged.
A. out of control
B. out of order
C. out of date
D. out of sight

[单项选择]

M: I waited until 10:20 for you.
W: I must have arrived 8 minutes after you left.

What time did the woman arrive （　）
A. 10:20.
B. 10:14.
C. 10:28.

[单项选择]I must have hung （）for ten minutes before the telephone operator put me through.
A. up
B. round
C. on
D. over

[单项选择]You must have been troubled by when to say "I love you" because it is one of the greatest puzzles in our life.
"A really good relationship should be about being fair and being equal," says psychologist Sidney Crown. "but love is seldom equal. " All relationships go through power struggles but, he says, if a love imbalance continues for years, the rot will set in. In love, at least, the silent, withholding type is not always the most powerful. "The strongest one in a relationship is often the person who feels confident enough to talk about their feelings." says educational psychologist Ingrid Collins. "In fact, the person who says ’I love you’ first may also be the one who says ’I’ m bored with you’ first." Hall believes that much depends on how "I love you" is said and the motivation of the person saying it. "Is it said when they’re drunk By saying ’I love you’, they really saying ’Do you love me’ If so, wouldn’t it just be more honest to say that" Collins agrees that intention is
A. The importance of "I love you".
B. The meaning of "I love you".
C. The time of saying "I love you".
D. The place of saying "I love you".

[单项选择]It must have rained in the night for when I woke up the next morning I saw the grass wet．
A. 昨晚本应该下雨的，因为我早晨被叫醒时看到草地是湿的。
B. 昨晚可能下了雨，因为我早晨醒来时发现草地是湿的。
C. 昨晚可能下雨了，因为我被叫醒时发现草地是湿的。
D. 昨晚肯定下雨了，因为我早晨醒来时发现草地是湿的。