Dinner is ready. Help yourself!—Wow! It ______ delicious. Could you please tell me how to cook it?
What do you think of the young lady?— She is hard-working. She ________ all her effort into her work before she got ill.
You’d better make a mark ______ you have any questions.
The plan has to be _______ to meet the real situation.
He controls his wheelchair ______ his hand. [ ]