–- Can you discuss the science report with me this afternoon? -- . I will be free after 2:30 in the afternoon.
It is very kind ____ you to help me with these maths problems because it is very difficult ____ me to work them out.
One of the suspects is ____ schoolboy.
— We plan to go out for a picnic next weekend. Would you like to come along? — ______. It’s my favorite.
Food safety is important. Rules ______ to stop people from food pollution.
There will be a stamp show in the museum ______ we visited last week.