UC知道高三英语选择题（需要您的详解）
来源：百度知道 编辑：UC知道 时间：2024/05/25 10:28:33
1.Apples are usually sold by_____weight and eggs are sometimes sold by _____dozen.
A.the the B./ a C./ the D the a
2.Who knocked at the door?
i have no idea.I just pretended nobody was as home,so i did not ask who _____was.
A.he B.that C.she D.it
3.I_____violin lessons every two weeks,but I think i will make it every week from next month.
A.am having B.have had C.have D.have been having
A.the the B./ a C./ the D the a
2.Who knocked at the door?
i have no idea.I just pretended nobody was as home,so i did not ask who _____was.
A.he B.that C.she D.it
3.I_____violin lessons every two weeks,but I think i will make it every week from next month.
A.am having B.have had C.have D.have been having
1.B 弄清题意，apple依重量卖，而egg按一打一打的卖，重量不需要加惯词。
2.D 习惯用法，在不知道门外面是谁的情况下都用it。当有人敲门时我们可以问 Who is it?
3.D 从后半句可以看出前半句的意思是：我以前是每两周上一次小提琴课。这是表示从过去到现在一直在发生的事情，所以要用到现在完成进行时态，只有D项符合。
1、C 固定用法，by weight按重量计算，by the dozen按打计算
2、D 习惯用法
3、D 现在完成进行时，此动作已经完成并正在进行