-- I'd like to invite you to a party tomorrow evening.-- Thank you, but ______ I'll be free I'm uncertain.
. My uncle __________ until he was forty-five.
. This film was made __________ Comrade LeiFeng.
. In those days, the old woman __________ sit at the door for hours, waiting for her son to return from abroad.
. The exciting performance attracted the passers-by’s___________.
. __________ such a short time left before the deadline, it doesn’t seem likely that John will finish the job.