He failed the mid-term examination and only then _______ how much time he had wasted.
| A．had he realized | B．did he realize |
| C．he had realized | D．he realized |
— We didn’t find the Blacks _____ the lecture.
— No one had told him about ____ a lecture the following day.
| A．to attend; there to be | B．attending; there being |
| C．attended; there be | D．attend; there was |
After the long journey, the Smiths returned home, ____.
| A．safe but tired | B．safely but tired | C．safe and tiring | D．safely and tiring |
— Which of those electronic dictionaries do you like most?
— ____. They are both expensive and of little use.
| A．Both | B．None | C．Neither | D．All |
English is a language that many people around the world ____ not speak perfectly but ____ at least understand.
| A．may; can | B．would; might | C．will; must | D．could; might |
．— Excuse me, could you tell me where I could make a call?
— Sorry, I’m a stranger here.
— ____.
| A．Thanks a lot | B．That’s a pity | C．Thanks anyway | D．I’m sorry to hear that |