A. hadbeenworking B. works C. wouldwork D. hadworked

A. left B. hasleft C. hadleft D. wasleaving

A. he B. did he C. he had D. had he

(1) The experiment seemed to be failing, but , the results started to match up with the assumption, surprising the entire research team. (2) Everyone in the committee except the new members,  understanding the new policy changes by the time the final review was conducted. (3) Despite the numerous challenges they faced, the team, which  innovating and adapting to new situations, eventually found success. (4) When the results were announced, the principal, impressed by the students' achievements,  their outstanding performance. (5) In today's fast-paced world, technology is constantly evolving, and businesses must stay  to remain competitive in the market. (6) During economic booms, innovation often leads to new industries,  a significant portion of overall growth. (7) After the challenging exam week, she  by painting in her studio, finding peace in her art. (8) Although some members initially seemed unproductive, they eventually  and helped complete the task on time. (9) The detective  the suspect's belongings for any clues that could explain the sudden disappearance. (10) The team spent weeks  experts worldwide, seeking advice and support to solve the problem.

(1) Before setting off, I was told to  the track or I would get lost.  (2) The government has taken some measures to  house prices.  (3) The determined look on his face showed that he  enough  himself.  (4) In no sense should you lose heart；keep trying and you will  sooner or later.  (5) Not until he informed me of the meeting was I aware that I had not  my proposal. 

A. had expected B. have expected C. would expect D. expect

A. had B. will have C. would have had D. had had

A. had hoped B. am hoping C. have hoped D. would hope