答案：C.were caused .
分析：Last year there were many problems which were caused by bad weather.
去年有很多因为气候引起的问题.which were caused =caused.
Last year there were many problems which____by bad weather A
1个回答
相关问题
-
主谓一致1.There _______ a great many accidents last year.A.were
-
while the bad weather lasted,campers were_____at a local hot
-
There were ______days last year.
-
Many accidents _________ by careless drivers last year . A．a
-
there were many students in this school last year.(改为否定句） th
-
Last year there a grassland here ,but now there many trees
-
He there by train last year.
-
英语翻译Many year ago,the weather was once very bad for a whole
-
There was____fruit last year.(many,much)
-
Many people d beacause of cold weather in this last year