– You ought to see a doctor about that cough. -- I guess I should. I _____ it off for days.
The city of Xi'an in western China has announced its plans for the One Belt One Road program yesterday ________ include 60 projects with a total investment of more than 115 billion yuan.
It is reported that the number of tourists visiting Hong Kong this year is smaller than ________of last year.
Peter’s application for a visa was rejected because he didn’t follow the right ________.
Because Michael was walking in the dark alone, he sang to ________ his courage.
But for the fact that Mr Smith ________ill yesterday, he would have attended the important meeting.