[-C28] -They haven't finished all the work up to now.-They _

[-C28] -They haven't finished all the work up to now.-They _ #[1] -They haven't finished all the work up to now.-They ___ They had finished all the work _ yesterday morning they finished the work all by t什么 They must have finished the work,---?A,mustn't they B,haven' They haven't finished their work.Maybe they have some troubl Why haven't they finished this work yet?They are supposed __ 2)They must have arrived by now,haven't they?为什么是haven't the They left there after they finished the work.同义句 They ____ _ They haven’t won a game but they always think _ (they) the b It was five o'clock in the morning _ they climed up to the t they (them)finished the work on time