---It’s very kind ____you_____ help me complete the difficult job. --- You’re welcome. A. to; for B. for; of C. of; to
I don’t think _______ Maths is easy.
Thanks for _________ the new chairperson.
He couldn’t hide his __________ at my success and said bad words about it.
Are you going to __________ this challenge?(挑战)
The boy looks nice ________ white and the red sweater looks good ________ the girl.