21. ________ we can’t finish this project on time.
A. Without being given help B.With being given help
C. Without giving help D. With giving help
22. They spent a whole evening ______ for the famous basketball star. And the exciting moment they had been looking forward ______ at last.
A.in waiting ; to came B. waiting; came
C. in waiting; to came D. on waiting; to coming
