京翰主编点评:
16、There is _______ “l” and ______ “u” in the word “useful”.
A. a, an B. a, a C. an, a D. an, an
本题主要考察a/an的用法。A,E,I,O,U是元音,其余都是辅音。元音前规定用A。
《夏洛特的网》第五章(上)
Ministry defends progress on human rights
《夏洛特的网》第四章
Philippine quake leaves 43 dead
US must be objective, Xi says
Well-behaved prisoners allowed to celebrate festival at home
Castro urges 'ceaseless fight' against corruption
Urbanites suffer anxiety going home
25 workers kidnapped in Egypt
Records show how wealthy shape US presidential race
Blasts used in hunt for 29 missing on Italian liner
Witnesses say shark attack 'like Jaws'
Iran vows to stop 'some' oil sales as inspectors visit
Teheran threatens blockade to counter US
暖心小说《小王子》第21章
Price hikes brewing for Starbucks drinkers
7 killed in ambush on Syrian military
Eastern European cold snap death toll rises to 71
UN team lands in Iran amid EU oil dispute
Dragon gets global stamp of approval
Spring Festival gets deadly with holiday excess
《夏洛特的网》第五章(下)
Europe freeze kills 89, fears rise over Russian gas supplies
Canadians hope PM Harper's China trip will fuel energy ties
《夏洛特的网》第六章
Bank: No cats on 100-yuan note
《夏洛特的网》第七章
Experts build robot to remove stomach cancer
In reversal, Obama backs lucrative fundraising drive
London set for a role in yuan transactions