24. I wonder whether his hearing is okay ______ he has turned the television up very loud.
A
unless
B
although
C
until
D
because
27. You’d better make the plants shorter, ______ they will interrupt the views from the house.
21. The ceiling’s low, _____ you need to be careful not to hit your head.
30. I always check the prices of different brands _____ I make a major purchase.
我在想他的听觉是否正常，因为他把电视的声音放得太大了。根据句意可知此处应用原因状语从句。故选D。
状语从句
翻译句子 判断逻辑关系
词义不明
容易