Communication
Các câu hỏi tương tự
Yesterday ____________ I was sweeping the floor, my sister was cooking.
A. while B. if C. although D. because
Before leaving, did you ask __________ your father’s permission. A. for B. at C. of D. to
Yesterday ____________ I was sweeping the floor, my sister was cooking.
A. while B. if C. although D. because
Before leaving, did you ask __________ your father’s permission. A. for B. at C. of D. to