主谓一致练习题1. The old _well looked after by the government in China.A. is B. are C. has been D. was2. The secretary and manager _very busy now.A. is B. are C. was D. were3. Both the secretary and the manager _agreed to attend the meeting.A. has B. have C. are D. was4. Tom as well as two of his classmates _invited to the party.A. was B. were C. have been D. had been5. Either you or I _going to the teachers office after cl