Find the one choice that best completes the sentence.
Câu hỏi:
They have known each other______ they were at high school.
Bạn đang xem: They have known each other______ they were at high school.
A.
when
B.
since
C.
for
D.
while
Đáp án đúng: B
Đăng bởi: Monica.vn
Chuyên mục: Câu hỏi Trắc nghiệm
