Smith wrote an article on ____ he failed topass the exam

Hi, David! How was your trip to Beijing?— Wonderful! I had never had ________ holiday in my life.[ ]

Do you have anything in mind _____ you’d like for supper?—Well, _____ is okay with me.

He had little idea that it was getting so late, ________?[ ]

will the visas be ready, sir — everythinggoes well, you should get them in 14 workdays.