21.We have accepted your suggestion­­­________we should put off the meeting until next month. A: which B: that C: when D: what

I cannot accept the 21）________ that we have no alternative but to make peace with this company.

We offer you the following items ___ your reply reaching here by May 21 our time.

21、 We must guard ourselves _________making the same mistakes again. A: with B: for C: from D: of

中国大学MOOC:"Task 2 Fill in each blank with the proper form of the words or phrases given below to complete the following passage. exportprofitprocesstrade specializeconsumeexchangeopportunityparticipation better off We (21) when we spend money in a store, r

We offer you the following items your reply reaching here by May 21 our time. A: subjecting to B: to subject to C: subjects to D: subject to

【多选题】21题 A. 21题A B. 21题B C. 21题C D. 21题D

40枚种蛋的孵化天数如下，问这个孵化天数与21d有和差异？（计算t值） 20 19 21 22 21 20 18 20 21 19 23 18 22 20 21 19 20 21 21 20 19 24 20 19 21 21 20 19 21 23 20 20 18 21 20 21 19 23 20 21

弹奏这种伴奏音型的指法一般是() A: 4/21/5/21 B: 3/21/5/21 C: 5/21/5/21 D: 4/31/5/31

估算21×79时，把21看做（），把79看做（），21×79≈（）。