题型:问答题 简答题 ----- Now that you like the portable personal computer so much, why not buy one? It is of great use to your work. ---- Well, I can’t afford _____ computer at present.A.a such cheapB.so expensive aC.so an expensiveD.so cheap 查看答案
题型:问答题 简答题 ____ one-hour documentary takes ____ close look at the life of giant pandas in Wolong.A.An, a B.The, aC.The, /D.A, the 查看答案