The Wilsons live in __ A – shaped house near the coast. It is __ 17th century cottage.
| A．the, / | B．an, the | C．/, the | D．an, a |
34. It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
| A．had wiped out | B．have wiped out |
| C．had been wiped out | D．have been wiped out |
33. If I_________you would drop in, I would have stayed home waiting for you.
| A．have known | B．knew | C．would know | D．had known |
32. ––When will you be back, Peter?
––________a couple of days.
| A．On | B．In | C．For | D．By |
31. All books ______ to the library more than three days late will be subject to a fine.
| A．return | B．returning | C．to return | D．Returned |
30. When he was only thirty years old, he had already experienced______most people only experience when they are much older.
| A．what | B．which | C．who | D．When |