. --So hard __________ in the past few months that he has made great progress in English. --I can see that, only a few mistakes he made in this exam.
#103811
A
he worked
B
did he work
C
he has worked
D
has he worked
推荐题目
Having devoted his life to the realization of racial equality，former South African President Nelson Mandela＿＿＿on December S，2013．
#99772
A
passed away
B
had passed away
C
has passed away
D
passes away
--- How long ____ in Beijing? --- For just the weekend. I’ll be back for work next Monday morning.
#101267
A
have you stayed
B
are you staying
C
did you stay
D
do you stay
Mr Brown and his wife expect that by the year 2015 they __________ in Beijing rather than in other cities.
#102370
A
are living
B
will be living
C
have lived
D
will have lived
After working for two years, Tim Martin was ___ as the top manager in charge of the company.
#100658
A
ranked
B
appointed
C
recognized
D
classified