( )11They're hungry because they _______dinner last night .
A.don't eat B.have eaten C.didn't eat D.did eat
答案:C 过去时,这里仅指出他们昨晚没有做（吃饭）
翻译:他们很饿,因为昨天晚上没吃饭.
( )12.He was _______all the colours and all the beautiful fish in the sea .
A.amazed from B.surprised to see
C.amazing at see D.surprising at see
答案:B amazed是指震惊,而 surprised则有好奇的意思.
翻译:他很好奇地看着海里五颜六色的鱼.
( )13 .The old woman has _______ for three years .
A.died B.been died C.been dead D.dying
答案:C 现在完成时
翻译:这个老女人已经去世三年了.
( )14 .He knocked at the front door ,but nobody answered.So he tried _______ the back door .
A.to knock B.knocking on C.heen bead D.knock at
答案:B try to do 是要去做,try doing是试着在做（已经在做了）
翻译:他敲了敲前门,没人回答,所以他试着敲后门.
( )15.Alexander Graham Bell is a great inventor and he _______ in 1876 .
A.invent telephone B.invented the telephone
C.Has invented telephong D.invents the telephone
答案:B 过去时,表示他已经做了.
翻译:亚历山大.格雷厄姆.贝尔是一位伟大的发明家,1876年他发明了电话.
