----Why are the housing prices in big cities going up all the time?
----One reason is that people are__________ into overcrowded cities in great numbers.
| A．breaking | B．filling | C．pouring | D．hurrying |
We stood_______ to the strange-looking animal so that we could watch it_______.
| A．closely; closely |
| B．close; close |
| C．closely; close |
| D．close; closely |
_______in the wall behind the kitchen, the door was hard to find.
| A．To hide |
| B．Hiding |
| C．Hidden |
| D．Being hid |
The old professor gave a long _______ lecture,
and made us so _______ that we all felt sleepy.
| A．disappointed; boring |
| B．disappointed; bored |
| C．disappointing; bored |
| D．disappointing; boring |
Climbing onto the top of the mountain,_______.
| A．the whole city spread before us |
| B．we could see the whole city |
| C．the whole city could be seen |
| D．it was such fun enjoying the view of the whole city |
The flowers_______ sweet in the botanic garden attract the visitors to the beauty of nature.
| A．to smell |
| B．to be smelt |
| C．smelt |
| D．smelling |