26.The researehers delermine what type of plants the virus can infect(感染) and____insects can carry the virus.
– Hi, Peter. How is your work getting along? – Very well. Everything is going on according to ______.
Jane is one of the students in the class ______ have ever been to China.
I arrived half an hour earlier ______ I had time to talk with him before the meeting.
He asked me ______.
While ______ in Scotland, he made friends with the natives there.