Nowadays with the development of science, more and more new technology to the fields of IT.
| A．has introduced | B．was introduced | C．will introduce | D．is being introduced |
These young people are now making an active ______ to beautify our city.
| A．part | B．effort | C．decision | D．plan |
--- My son is lost. Did you see a boy pass by here?
--- I saw ______ boy hidden behind ______ tree over there. You may go and have a look.
| A．a; the | B．不填；the | C．a; 不填 | D．a; a |
The need for an operation，especially an immediate operation， almost always comes as a ______ to the patient and his family.
| A．result | B．happiness | C．disappointment | D．shock |
--- Look! I’ve bought ______ new pen.
--- What ______ beautiful pen! It in particular seems nice.
| A．the; a | B．不填; a | C．a; a | D．a; the |
It’s hard to imagine a large city without policemen, but such was the ______ in London in the early 18th century.
| A．situation | B．condition | C．affair | D．matter |