四、克漏字選擇： Dear Sandra,   My son shared everything with me before. But after goingto senior high school, he stopped talking to me. It took himmuch time（1） his smartphone. Once when I （2）his room, I heard him talking happily. Every time I asked, hewould get （3） . I hope he can （4） more time on hisstudies. I don’t know （5） . Can you give me some advice？                                                                                                                                         A Worried Mother
【題組】1.
(A)use
(B)uses
(C)to use
(D)using