was to blame．
| A．The parents as well as their child | B．Not the parents but their child |
| C．Neither the child nor his parents | D．Both the parents and their child |
Many of us have a strange sense that we do remember feeling as if we _________in a dream, but can’t quite recall the details.
| A．are flying | B．were flying | C．fly | D．would fly |
By the time Jack returned home from England, his son _______ from college.
| A．graduated | B．has graduated | C．had been graduating | D．had graduated |
——Do you know where David is? I couldn’t find him anywhere.
——Well, he_______ gone far—his coat’s still here.
| A．shouldn’t have | B．mustn’t have | C．can’t have | D．wouldn’t have |
Do you think that bridge _________2,000 metres long? It doesn’t appear so long.
| A．measures | B．is measured | C．has been measured | D．is measuring |
—If he______there were poisonous snakes in the mountain, he would not have camped there.
—Luckily, he was found relatively quickly and_______to the local medical center.
| A．was reminded; rushed | B．had been reminded; rushed |
| C．was reminded; rushing | D．had been reminded; rushing |