高频易错题
1. I don't know ______ he will come tomorrow.
A. that B. if C. what D. which
解析:宾语从句表示"是否",用if/whether,选B。
2. ______ it was raining, he still went to school on foot.
A. Although B. Because C. If D. When
解析:前后是让步关系(虽然下雨仍然走路上学),选Although。注意although不与but连用。
3. This is the school ______ I studied three years ago.
A. that B. which C. where D. who
解析:先行词是地点school,从句缺地点状语,用where,选C。
4. If you ______ (work) hard, you will pass the exam.
A. work B. will work C. worked D. works
解析:if引导条件状语从句用一般现在时表将来(主将从现),主语you,选A。