(2013·亳州模拟) difficult and challenging the task may be, we must finish it on time, because there is a possibility we’ll be fired if we can’t fulfill the task on time.
It was at the very beginning ______ Mr Smith made a decision _____we should send for a doctor.
——I’m afraid I can’t finish the magazine within the required time. ——__________.
—Excuse me, Professor Smith, I was wondering if I could leave a quarter earlier today. — _____ .
Green products are becoming more and more popular because they are environmentally _________.
—Are you going there with us? —If Mary wants to go, ______.