—Can I keep the book alittle ___________? I haven't finished reading it yet.
—Sorry. You have to return it on time.
句意：——这本书我可以再借一会儿吗？我还没有读完。——抱歉。你必须按时还书。
考查形容词比较级辨析。shorter更短的；bigger更大的；longer更长的；smaller更小的。根据I haven't finishedreading it yet，可知，还没有读完这本书，所以是希望借书的时间可以更长一点，所以空格处填longer。故选C。
—Can I keep the book alittle ___________? I haven't finished reading it yet.
—Sorry. You have to return it on time.
What a________ boy! Heworked out such a difficult math problem.
Last year, three hundredEnglish teachers took part in the _______ English Training.
The little girl wrotea________diary last night.
Jenny’s parents werecompletely__________ when they saw the_______ changes in her.
—Why are you so happy,Mr. Wang?
—Because the movie yesterdayevening was so _______ and it made me ________.
—When I watched theChina's 70th Anniversary celebration on Oct. 1st, I was so ________.
—So was I. It was really ________.
—How is your life in thecountryside?
—It is _______ butsometimes I feel a bit _______.
I was 8 years old whenmy father was 31. This year my father is twice my age. How old am I?
Susan's mother looks soyoung. It's hard to imagine she's already in her ______.
