The meeting _____ next week will be of great importance.
A、tobeheldA
謂語動詞用了將來時態，所以選不定式作定語，表將來。
Charles Smith, ______ was my former teacher, retired last year.
Hisintelligencewill________himtogetascholarshiptocollege.
Not until recently_____that Thompson had ben telling the truth all along.
Theypreferto_______therestofthemorningwalkinginthegarden.
Itisdifficultto________theimplicationbetweenthelines.
