问题
选择题
They asked the teacher _______.
A．when will they have the exam
B．when they would have the exam
C．when they have the exam
D．when would they have the exam
答案
答案：B
题目分析：考查宾语从句。任何一个宾语从句都使用陈述语序，故AD错误。根据asked说明在过去问将来，故使用过去将来时。句意：：他们问老师，他们什么时候讲考试。根据句意说明B正确。
点评：宾语从句都要使用陈述语序，同时注意句子中时态的一致。