66.Wateriscomposed_______hydrogenandoxygen.

A.of

B.with

C.for

D.about

67.Theypreferto_______therestofthemorningwalkinginthegarden.

A.spending

B.spent

C.bespending

D.spend

68.Pleaseremindme_______herthisnote.

A.leave

B.toleave

C.leaving

D.left

69.Thetwogirlscompetedwitheachother______thehighestmark.

A.for

B.with

C.to

D.against

70.AtanyrateIdidnotsucceed_______myselfunderstoodbyyou.

A.making

B.made

C.tomake

D.inmaking

66.正確答案：A答案解析：be composed of：由…組成。句意：水是由氫與氧化合而成的。

67.正確答案：D答案解析：本句運用的是prefer to do sth這種用法。

68.正確答案：B答案解析：remind sb to do sth：提醒某人做某事。

句意：請提醒我留給她這張紙條。

69.正確答案：A答案解析：compete for：比賽…奪取compete against/with：和…競賽句意：這兩個女孩互相競爭，以取得最高分。

70.正確答案：D答案解析：succeed in doing sth：成功做某事。