What a ______ smell! How long was it since you last cleaned the house?
| A．smelly | B．tasty | C．sweet | D．disgusting |
It is_______ that I can still remember_______ was discussed at the meeting.
| A．sure; when | B．sure; what | C．certain; when | D．certain; what |
There was a _______ look on her face when she met with the _______ problem.
| A．confusing; confusing | B．confused; confused |
| C．confusing; confused | D．confused; confusing |
All through history, big changes have taken place in ________ English language, especially when Henry IV became ________ King of England.
| A．the; the | B．不填; the | C．the; 不填 | D．an; 不填 |
—Why are you crying? Today is your birthday!
—____________. I am so excited with so many friends surrounding me.
| A．Just can’t help it | B．Don’t mention it |
| C．None of your business | D．That’s all right |
Malaysia Airlines Flight 370 ___________ course and turned back toward Kuala Lumpur -- but there were no indications from the pilot that he was doing so.
| A．must have changed | B．could have changed |
| C．might have changed | D．should have changed. |