Could you tell me ______ you’ve been here—-Since last year.

important to pay your electricity bill on time, as late payments may affect your _________.

Nuclear science should be developed to benefit the people _____ harm them

Come and join us, Jimmy!— I’m sorry, but I’m really busy now. If I time,I would certainly go.

Physical Education in schools can teach us endurance —something we all need ______ life becomes tough