问题
选择题
Mother blamed the dog for breaking the glass, but in fact I _____.
A.was to be blamed
B.is to be blamed
C.was to blame
D.is to blame
答案
答案:C
考查时态。be to blame应该受到责备。根据句意用一般过去时。句意:母亲指责狗打破了杯子,但事实上我应该对此负责。