_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.
Knowing the result of the exam, he went home and lay in bed, ______. A upset B was upset C felt upset D and upset
——Oh,it’s you!I______you. ——I’ve just had my hair cut and I’m wearing new glasses.
——Can I join your club,dad? ——You can when you______a bit older.
This is a_______complicated(复杂的)problem.I don’t know how to solve it.
He came home______yesterday.