The teacher asked the students ________________

试题详情及答案解析

The teacher asked the students _________________.

A．if they are interested in dinosaurs

B．when was Audery Heben born

C．What they will do with the computers

D．how many trees they had planted

答案：D

试题分析：句意：老师问这些学生们已经种植了多少棵树。分析：考查宾语从句的用法，宾语从句的等点，引导词，语序和时态。第二项语序不符，同时宾语从句的主语为一般过去时，从句要用相应的过去时，因此只有第四项符合句意。故选 D
考点：考查宾语从句的用法。