As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.

--It’s reported that young people are responsible for 60% of the traffic accidents.---Exactly. Young drivers are far more _______ to drive faster than old ones.

—Thank god, you finally returned home ________. —You can never imagine how I worried about you when I was told about the terrible accident. 

 Student loan is supposed to provide financial support for people who would ________ not be able to go to college.

At first,he doubted my honesty but at last he　　　　.