How should I deal with new words in reading? —Well, you’d better not stop　　　you come to a word or a phrase you don’t know

I’m going on a trip to Hongkong after the exam.—Really ___________!

______, she isn’t ready to buy it.

The word “ungelivable”, based on Chinese, which has become a big hit online very quickly, ___________ a message that Chinese can also serve as an addition to English vocabulary.

I don’t know ___________or not.—Neither do I. You may ask his teacher.