---Mr. White didn’t come last night, did he? ---No. We for him. A whole night was wasted. A. had waited B. have been waiting C. were waiting D, had been waiting
----Is Tony the student awarded at the graduation ceremony in your class? ----There is ______ Tony, but I’m afraid he isn’t ______ one you mentioned.
The child tiptoed quietly to the bird. ________ into the forest when he was about to catch it.
He ___________busy yesterday, or he __________you with your experiment.
He ________ to the cinema last night, for he stayed with me.
The project ______ by the end of 2020, will expanded the city’s telephone network to cover 2,000,000 users.