【正文】
答案:D:they代替“mathematics and physics”。答案:C:主語是you。答案:A:nothing作主語,謂語用單數(shù)。答案:D:the number作主語,謂語用單數(shù)。一般現(xiàn)在時:am/is /are+done一般過去時:was/were+done:are,told:are sold:is,made:was given:are made:are grown:is learned:are used:was built:didn’t have主謂一致::分?jǐn)?shù)和rest作主語,謂語的數(shù)應(yīng)與它們后面的中心名詞保持一致。his B. want to buy the book。years 。is 。are 。year old 。 theirC. will buy the book。答案:B:half作主語時,謂語要與half后面的名詞保持一致。答案:D:度、量、衡作主語,把它作為一個整體看待,視為單數(shù)。答案:C:主語是a TV tower。as well as I(不僅是我)是狀語。答案:B:every+n. and every+。答案:A:兩個不定式的動詞相同,屬于同一概念,所以謂語仍然用單數(shù)。答案:A:eit