1.they (to see) him at the library. a. have seen b. was seeing c. did see 2.by the end of the 19th century a tea culture in ireland. a. have been developed b. had developed c. has developed 3.when carol (call) last night, i (watch) my favorite show on television. a. called, was watching b. called, watched c. was calling, watching d. call, watching 4.will he (to learn) english? a. been learning b. be learning c. be learn 5.where (to learn) english before you came to london? a. have been learning b. had you learned c.has you learn 6.the homework __ by tomorrow. a. must be done b. will be made c. was done 7.was she (to make) dinner when i came back home? a. making b.have made c. did make 8.the students (be, usually) taught by mrs. monty. however, this week they (teach) taught by mr. tanzer. a. are usually, are being b. usually, being c. are been usually, are been 9.she (be, to go) do her homework. a.will go b. is going c. are go 10.she to his birthday party. a. have been invited b. has been invited c. are invited