电话是在1876年发明的。翻译

Thisessayisstilltoolong.I’llhaveto___(short)itbyoneortwopages.

_______ the moon moves round the earth is well known to all of us.

Ifyouhavedifficultylocatingaparticularbook，pleaseaskourlibrariansfor___(assist).

Some doctors claim that a vegetable diet is superior_________a meat diet.