To my surprise, my good friend _________ stay up to study to prepare for the next important exams organized by ten famous high schools.
Go on climbing to the top of the peak, and you will see all the____ hills.
He will agree to do what you require____ him. A. of B . from C for D. to
---- Tom came to work last Sunday, but no one has seen him since. ---- _____ he have had an accident?
I’ll go to your party___ you promise me that you will invite our class advisor.
With the development of science and technology , more new technology____ to the fields of IT.