时间线窗口内的合成时间标记（composition-timemarker）的数目最多为：（）

30.Today's homework is to write__________about your school. A: a five-hundred-word composition B: a five-hundred-word's composition C: a five-hundred-words composition D: a five-hundreds-word composition

The teacher asked us to write a ______ in one hour.（） A: two-hundred-word composition B: two-hundred words composition C: two-hundreds-words composition D: two hundreds of words composition

The teacher suggested that her students _____ about their experience with foreign language learning. A: write a composition B: to write a composition C: wrote a composition D: had written a composition

The upper body is supported by the arms, and the characters form _____, which can stabilize the picture. A: Balanced composition B: Diagonal composition C: Oblique line composition D: Triangle composition

Janet, ____ was read by the teacher, is a top student in our class. (2006-27) A: A. the composition of hers B: B. the composition of whom C: C. her composition D: D. whose composition

17. _______, he handed it to the teacher. A: The composition writing B: Having been written C: The composition written D: After the composition wrote

“How do I write my composition?” “Write your composition ＿ ink.”

In the Direct Method, the most frequently used techniques of consolidation are dictation, purposeful tasks and______. A: free composition B: guided composition C: graded composition D: oral practice

使用哪些方法可以改变当前合成窗口的背景色？（） A: Layer >Layer Setting B: 按快捷键Ctrl+Shift+B C: Composition >Composition Settings D: Composition >Background Color