Question

【題目】—Where is Peter? I can't find him anywhere.
—He went to the library after breakfast and ________ his essay there ever since.
A.wrote
B.had written
C.has been writing
D.is writing

Answer 1

【答案】C
【解析】句意：——彼得在那里，我哪兒都找不到他。——他在早餐過后就去了圖書館，然后自從那以后他就一直在那里寫論文。從句意中可以知道彼得是吃過早餐之后去了圖書館，從那個(gè)時(shí)候開始他就一直在寫論文，這個(gè)動(dòng)作一直延續(xù)到了現(xiàn)在，所以用現(xiàn)在完成時(shí)。故選C。