Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions x get older, the games they play become increasingly complex A. Although children B. For children to C. Children, when D. As...
Đọc tiếp
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
x get older, the games they play become increasingly complex
A. Although children
B. For children to
C. Children, when
D. As children
Đáp án là D. as = when + clause: khi