The conclusion from the study is not definite; it is just ________.
A、tentativeA
A不确定的、试探性的B正当的、有根据的、有效的C技术性的、专门技术的D彻底的、十足的
Modern English words man, woman, child, eat, fight, etc, originate from ______.
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.
_______isafactthatEnglishisbeingacceptedasaninternationallanguage.
The engineer ______ my father works is about 50 years old.
