题目内容
(请给出正确答案)
[主观题]
此处正确答案是[A]upgrading[B]purchasing[C]installing[D]investing
答案
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第1题
第3题
[A] upgrading
[B ] purchasing
[C] installing
[D] investing
第5题
A.took on
B.improved on
C.put on
D.embarked on
第6题
A) building up their reputation
B) upgrading their teaching facilities
C) providing convenience for students
D) cutting down on their expenses