— How can I prepare for class, Mr. Johnson?
    — __you ____ my web page? You can download the notes and read them ahead of time.
A.Did; check outB.Have; checked out
C.Are; checking outD.Will; check out
B
考查時(shí)態(tài)!凹s翰遜老師,我該怎樣做好上課準(zhǔn)備?”“你已經(jīng)瀏覽過我的網(wǎng)頁了嗎?你可以下載筆記,提前看一下。”check out“檢驗(yàn),核實(shí)”。對(duì)話情景是現(xiàn)在,check out這一動(dòng)作發(fā)生在過去,對(duì)現(xiàn)在造成的影響是老師的疑問,故用現(xiàn)在完成時(shí)。故選B。
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