He made ____clear when he would give us a lecture on global warming.

I regret ______ you that my daughter has already regretted ______ out with you. So leave her alone and don’t bother her any more.

Mathematics ____the language of science

Peter, is there anything else you want to knowabout China—Yes, I am still wondering .

I asked my boss for a month’s holiday and, _____, she agreed