I have always been honest and straightforward, and it doesn’t matter _____ I’m talking to. [ ]

－I’m sorry I’m late I got held up in the traffic on my way here －

With the rapid development of medical science, we ______ more new drugs used in the treatment of cancer.

Would it be ______ for you to pick me up atfour o’clock and take me to the airport

10The old building must be saved, ________the cost is