28.Having spent two days on one subject and _______ on the other subject, I am no longer worried about the exam.
Harry is feeling uncomfortable.He________too much at the party last night.
—You needn't take an umbrella.It isn't going to rain. —Well, I don't know.It________do.
________ that Marie was able to set up new branches elsewhere.
Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.
As far as I am concerned,education is about learning and the more you learn,________.