问题

The factory was built in a secret place, around ______ high mountains.
A:which was
B:it was
C:which were
D:them were
B:it was
C:which were
D:them were
正确答案是:
同类题型
_____ you didn’t know the rules shouldn’t be anexcuse for your failure to report.
In Spanish, he __________listening.
at Mount Huangshan is a beautifulscene, I’ll never forget
rease the production, many factorieshave some new techniques.
In the dark forests ________,some large enough to hold several English towns