---Alice, you look puzzled, Have you understood it?
---Yes．I _____another problem just now．
| A．l have thought of | B．am thinking of |
| C．had thought of | D．was thinking of |
. ―All the main tourist attractions are _______ easy reach of the hotel.
―No wonder all the rooms keep fully booked all the year round.
| A．within | B．over | C．beyond | D．under |
Talented in skiing, he has hopes of being _______ for the national team.
| A．elected | B．offered | C．hired | D．selected |
―These necklaces are fantastic! Jack, what about _______ with red stones?
―Mmm, I don’t know, but why not try _______ on?
| A．one; it | B．it; that | C．the one; it | D．that; one |
The minute I opened the window, _______.
| A．in a sparrow flew | B．flew in a sparrow |
| C．did a sparrow fly in | D．in flew a sparrow |
He was working quietly, with all his attention _______ on the task.
| A．was fastened | B．fastening | C．to fasten | D．fastened |