At the beginning of the class,the noise of desks ________could be heard outside the classroom.
A: opened and closed
B: to be opened and closed
C: being opened and closed
D: to open and close
A: opened and closed
B: to be opened and closed
C: being opened and closed
D: to open and close
C
举一反三
- The noise of the desks _____ could be heard in the next classroom. A: being opened and closed B: opened and closed C: having been opened and closed D: to be opened and closed
- The noise of desks___could be heard out in the street. A: opened and closed B: to be opened and closed C: being opened and closed D: having been open and closed
- A．openedB．closedC．openD．close A: opened B: closed C: open D: close
- At the beginning of class, the noise of desks ____ could be heard outside the classroom.
- 4.Howare they opened? How are they closed?
内容
- 0
The small bar ______. A: opened at midnight B: didn't close until after midnight C: closed before midnight
- 1
— The shop is ______ on Saturday and Monday. — I see. I'll go here on Monday then. A: opened B: close C: closed
- 2
Thousands of workers lost their jobs when their factory _________. A: ended B: closed C: opened D: cleaned
- 3
Each cylinder has one starting valve which is usually opened by air pressure and closed by （）
- 4
Pronouns, prepositions, conjunctions articles are ___________ . A: open class words B: closed class word C: oth open class words and closed class word D: neither open class words nor closed class word