An emergency _______ is very important in case of

An emergency diesel generator should automatically shut down in the event of ___________.A

In the______majority of cases, this is a very successful operation.A．tremendousB．wideC．bro

The error in the sentence "I very happy" is an example of______.A．additionB．substitutionC．

______was once a very important political institution in Britain while its importance is s

It is very difficult to______the exact meaning of an idiom in a foreign language .A．transf

We can make an exception ____.A.in any case of JohnB.in case of JohnC.in case of John’sD.i