问题
选择题
— I wonder _ _.
— I'm afraid we'll be late.
A．how we can be on time
B．what we are going to do
C．why we get to school late
D．if we will arrive at the meeting on time
答案
答案：D
考查宾语从句的用法。由上句的“I wonder…”及答语，可以看出宾语从句的引导词应为if，故答案选D，句意为“—我怀疑我们是否能按时到会。—恐怕我们会迟到。”