She must have been pretty___ to fall for such an old trick.
举一反三
- She must have been pretty______to fall for such an old trick.(2011 -80) A: interested B: shrewd C: enthusiastic D: gullible
- By the time she is 50 years old, she ______ an inmate of the prison for over half of ______ her life. A: would have been B: will be C: will have been D: would be
- She _______ fifty or so when I first met her at a conference. A: had been B: must be C: has been D: must have been
- 17 Mary ________ his homework late last night, so she felt sleepy in class this morning. A: must do B: must be doing C: must have been doing D: must have been done
- Members of the House of Representatives must over 35 years old and must have been an American citizen for at least 7 years.