HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Choose the letter A, B, C or D to complete the sentences
Tell me ...................... you want and I will try to help you.
A. that
B. what
C. who
D. which
Someone had _______ left a window open.
A. care
B. careless
C. carelessness
D. carelessly