01
---What about going to the South Lake for a picnic next weekend?
---OK. But I'm not sure ___ it will rain.
A. why B. where C. when D. whether
D是最佳答案。根据上下文选D才对，在选择连词时要注意题意。
02
I wanted to know ____last weekend.
A. what Mary does B. what does Mary do
C. what Mary did D. what did Mary do
C是最佳答案。主句谓语用了过去时态，宾语从句的谓语要用相应的过去时态，根据时间状语选C才对，宾语从句要用陈述语序。
03
---Could you tell me ____?
---I'm not sure.
A. how many people have been out of hospital
B. when is Thanks giving Day
C. which animal does he like best
D. what time will the dolphin show start
A是最佳答案。根据题意选A才对，宾语从句要用陈述语序，其他答案语序不合要求。
04
---What did your teacher say this morning?
--- She asked me ____ this morning.
A. how did Tom come to school
B. why was Tom late for school
C. when Tom would get to school
D. what will Tom do at school
C是最佳答案。根据语言情景选C才对，宾语从句要用陈述语序，其他答案语序不对。
05
Our teachers always give us good advice. We should follow ____.
A. what they say B. what they said
C which they say D. which they said
A是最佳答案。根据题意选A才对，学生任何时候都要按老师的去做，还要注意连词的含义。