— 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
考查時態(tài)�！凹s翰遜老師，我該怎樣做好上課準備？”“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�！眂heck out“檢驗，核實”。對話情景是現(xiàn)在，check out這一動作發(fā)生在過去，對現(xiàn)在造成的影響是老師的疑問，故用現(xiàn)在完成時。故選B。
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