The central heating system of this office building is down and several workers ______ it right now.
| A．had repaired | B．have repaired | C．repaired | D． are repairing |
The monkey suddenly emerged ________ the tree, frightening Lucy into screaming.
| A．from | B．behind | C．from behind | D．on |
21st Century, _____ weekly newspaper, provides us with ______ variety of fresh articles about campus studies and life.
| A．a; a | B．the; the | C．a; / | D．the; / |
After living there for one year, they have _______there.
| A．accustomed to working | B．accustomed to work |
| C．been accustomed to working | D．been accustomed to work |
________ with the size of the whole earth, the biggest ocean does not seem big at all.
| A．Compare | B．When comparing |
| C．Comparing | D．When compared |
----I _____to go for a walk.
----But I_____ going shopping.
A. would like; feel like B. feel like; feel like
C. feel like; would like D would like; would like