has promised to keep the secret, so he won’t tell anyone even though .

Helen told me that she had some problems _______ his English learning.

They thought about it for a long time, but still could not ______ a solution.

What do you think of your boss—He always work hard and he is ____________ late forwork.

What’s your hobby, Diana—Well, I have many hobbies, _______ dancing, singing and water sports.