--- Can you tell me how many study groups there are in a class? --- Generally speaking, a class often ___ 8 study groups, each with 7 group members.
It’s very dangerous to _______ these viruses without any protection.
My father is always strict _______ me, so he was very angry _______ my fault on this matter.
--Would you mind if I opened the window? -- ________. In fact, I was going to suggest you _______ it.
It’s _______ thrill to have ______ ten-year research project completed with the desired result.
----Mary, you have won an all-expense paid trip to Pairs. ---____ I can’t believe that.