7. You should not spend so much time ________ at the computer; it’s not good for your eyes.　(A) to w

問題詳情

7. You should not spend so much time ________ at the computer; it’s not good for your eyes.　
(A) to work　
(B) working　
(C) work　
(D) worked

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)