Officials believe that more than one person _____ for the big fire.
| A．is to be blamed | B．should blame | C．should be blaming | D．is to blame |
. He was told that it would be at least three more months______ he could recover and return to work.
| A．before | B．when | C．since | D．that |
How much______she looked without her glasses!
A．Well |
B．good | C．better | D．best |
People try to avoid public transportation delays by using their own cars and this ______ creates further problems.
| A．in short | B．in turn | C．in doubt | D．in case |
. A notice was____in orderto remind the students ofthe changed lecture time.
| A．sent up | B．given up | C．setup | D．put up |
. In our class, when the bell rang and the teacher closed his book, it was a______for everyone to stand up.
| A．mark | B．chance | C．signal | D．measure |