The engineer ______ my father works is about 50 years old.

法则区别说的代表人不包括()。

The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.

当今大多数国家确定涉外合同准据法的首要原则是()。

_______ for the free ticket, I would not have gone to see film so often.

下列情况不属于国籍的消极冲突是()。

Younger children are curious ________ how things work ，and many of them want to take apart everything within their reach.

WT0所强调的最惠国待遇制度属于()。

I asked him to ________ me a few minutes so that we could go over all the problems.

_______ is a fact that English is being accepted as an international language.