the present progressive tense概念急

In the present economic ___ we can make even greater progress than previously. A.air B.mood C.area D.climate 说明原因, 英语翻译There are few circumstances among those which make up the present condition of human knowledge,more significant of the backward state in which speculation on the most important subjects still lingers,than the little progress which has bee 是to the present还是to present? at present 与 for the present 区别 The simple present tense the present life;this what was the present? What's the present? Live in the Present at the present up to the present at the present present to the class present to the class The Present Progressive the people present是什么意思 well Treasures the present The present continuous tense