— 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(guò)我的網(wǎng)頁(yè)了嗎？你可以下載筆記，提前看一下�！眂heck 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(guò)去，對(duì)現(xiàn)在造成的影響是老師的疑問(wèn)，故用現(xiàn)在完成時(shí)。故選B。
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