1.主动语态与被动语态相互转换,每空一词(含缩写)。

56.Wecallmathsthelanguageofscience.(改为被动句)

Maths__________________thelanguageofscience.

57.Wheredidtheyplanttrees?(改为被动句)

Where_________trees_________?

58.Youcanborrowtwobooksatatime.(改为被动句)

Twobooks___________________________atatime.

59.Theteachermadethestudentscopythetext.改为被动句

Thestudents___________________________copythetext.

60.TheyproducesilkinSuzhou.(改为被动句)

Silk__________________inSuzhou.

61.Theybuiltabridgebetweenthetwoislandslastyear.(改为被动句)

Abridge________________betweenthetwoislandslastyear.

62.Abirthdaypartywillbegiventomorrow.(改为主动句)

We__________________abirthdaypartytomorrow.