поставьте глаголы в нужную форму
a. If you (to visit) American city, you (to find) very pretty. Just two things of which you must (to beware)....:(not/to drink) ... the water and (not/to breath)... the air. (By Tom Lehrer "Pollution")
b. Ken (to be) .....a travel agent. He (to spend) much time every day booking tickets. But there (to be) .... a problem about him. Ken (can / not/ to see) "When I (to look) for a job, several travel agencies (to turn) me down,"- (to say).... Ken.​