The library's study room is full of students _______ for the exam.
He hurried to the station only ____ that the train had left.
Lily’s mobile phone was left in a taxi accidentally, never______________ again.
A new teachnique ____the yields as a whole increased by about 30 percent.
No matter how frequently _____ ,the works of Shakespeare always attract large audiences.
The place _______ the bridge is supposed to be built should be _______ the cross-river traffic is the heaviest.