若一元二次方程 x^2 +4x+c=0有两个不相等的实数根， 则c的值可以是(写出一个即可) .
________ (fail) several times, they need some encouragement.
Chinese people are very good at table t_____，and it's our favorite sport
is ，the ，what ，weather ，today ，like
____________________________________________
Look out of the window.(改为否定句)
______________________________
足球比赛时， 裁判用抛硬币猜正反面的方法让双方决定谁先要场地，谁先要发球权. 这种做法是 ________的，因为 ________.
close________ (现在分词)
()1. Could you help me， please?A. OK.
()2. Thanks a lot.B. You're welcome.
()3. Let's put the books in the box.C. It's Monday.
()4. Can you carry it?D. No ，it's full.
()5. Who's on duty today?E. lam.
()6. Is it empty?F. No ，it's light.
()7. What day is it today?G. Certainly.
()8. Is that bag heavy?H. No. Li Lei isn't here. .
()9. Are we all here today?I. No ，thanks.
()10. Let me help you.J. Yes，I can.
“Have you moved into the new flat? ” “Not yet. The rooms ________ (paint). ”
苏轼《念奴娇(大江东去)》中“___ ”一句，写的是周瑜的儒将装束，“ ___”一句，表明了周瑜的赫赫战功。