You should try to write __________ eve n when you ’ re busy. As you know, practice makes perfect.

开展国际经济合作的基本原则是()

借款人在外国证券市场上发行以该国货币为面值的债券是指()

我国的对外贸易征税主要是通过征收进口关税和()

—What's the young man?

—______ .

—Shall we go outing this weekend?

—Oh, with all this work ______ ____,I don ’ t know if I ’ ll have time to go out.

________, the first settlers found in New Zealand many strange birds and animals that exist nowhere else in the world.

At this moment the bell rang, ________ the end of class.

当事人申请撤销裁决的，应当自收到裁决书之日起______内提出。

外国人或者外国企业在中国申请商标注册和办理其他商标事宜的______