A．to set up
B．to have been set up
C．to be set up
D．being set up
[单选题]The headmaster came to the classroom and asked______what had happened.A.his
No One Words But My OwnThe classroom was full of those of us who wanted to work
[单选题]When are windows the weak link in a building?A．In the cold winter.B．In the hot summer.C．When air conditioners are turned on.D．Both Ａ and Ｂ.
She wanted to hide . She wanted to repeat everything he said . She wanted to spe
[单选题]_________ in the classroom was missing.A.One of a bookB.One of booksC.One o
Our classroom _____ every morning.A. cleanB. is cleanedC. cleansD. cleaned
Our headmaster will invite a scientist ________ us a speech on space technology.
[单选题]That was I__________wanted .A．whichB．the OneC．the one whatD．the which
The headmaster holds ______ attitude about what his pupils should wear.A. progre
[单选题]In the 1940s,classroom violence______.A．was something unheard ofB．was by no means a rare occurrenceC．attracted a lot of public attentionD．began to appear in analysts" data