The Guangxi Zhuang autonomous region _______ $ 1.59 billion worth of trade with the Association of Southeast Asian Nations in the first two months of this year.
One of the requirements for the experiment is that the material _____ to its burning temperature.
---- Occasions are rare _____ I can spend a day with my daughter. ---- You should spare some time to accompany her.
I will never understand how it ______ that you failed in the examination for you are such a good student.
----Do you have any idea why Mark is leaving? ---- No. In fact, everyone is ________about it.
--- Have you heard that Jenny, along with her classmates, to Harbin for the winter vacation? --- Really? No wonder I haven’t seen her these days.