(29)
A. on
B. at
C. in
D. over
正确答案是
(30)
A. resigning
B. to resign
C. resigned
D. having resigned
正确答案是
(31)
A. carry on
B. keep on
C. continue
D. go on
正确答案是
(32)
A./
B. the
C. many
D. some
正确答案是
(33)
A. fragmentary
B. sudden
C. partial
D. scattered
正确答案是
(34)
A. Initially
B. Originally
C. Formerly
D. Firstly
正确答案是
(35)
A. destructions
B. frustrations
C. constructions
D. obstructions
正确答案是