You will never succeed _________ you devote yourself to your work .

The Chinese language differs from Western languages ______, instead of an alphabet, it uses characterswhich _______ ideas, objects or deeds [ ]

________ they heard the shout for help，they rushed out

I ________ his invitation because I had to look after my sister.

tang Middle School,and with these lamps in theevening the teachers can play badminton