----Have you got any idea for the winter vacation?
----Yes. I’m going to a peaceful place, especially _________ suitable for relaxation.
| A．one | B．the one | C．that | D．this |
______, the concert began.
| A．The listeners having taken their seats | B．Having taken their seats |
| C．Having taken their places | D．Taking their seats |
---- You shouldn’t have gone there alone last night.
---- But I ______, because Xiao Wang went there, too.
| A．didn’t | B．had to | C．did | D．should |
---- There is a lot of smoke coming out of the teaching-building there.
---- Really? It _____ be a fire, most probably.
| A．can | B．ought to | C．have to | D．must |
If you don’t wait _______ the red light, you will be punished by the policeman.
| A．at | B．under | C．for | D．on |
________ doesn’t seem to have been much difficulty in solving the problem.
| A．It | B．That | C．There | D．He |