Opposite is St.Paul's Church,___you can hear some lovely music.
| A．which | B．that | C．when | D．where |
----How long are you staying?
----I don't know.___________.
| A．That's OK | B．Never mind | C．It depends | D．It doesn't matter |
Sales of CDs have greatly increased since the early 1990s, when people_____to enjoy the advantages of this new technology.
| A．begin | B．began | C．have begun | D．had begun |
________ is often the case, we have worked out the production plan.
| A．Which | B．When | C．What | D．As |
The____________house smells as if it hasn't been lived in for years.
| A．little white wooden | B．little wooden white |
| C．white wooden little | D．wooden white little |
The old man, ____________abroad for twenty years, is on the way back to his motherland.
| A．to work | B．working | C．to have worked | D．having worked |