Neither my brother nor I （ ） at home.
（A）be
（B）is
（C）are
（D）am
The whole group （ ） the boss attentively.
（A）are listening
（B）is listening
（C）are listening to
（D）is listening to
Many a professor （ ） looking forward to visiting Germany now. Many scientists （ ） studied animals and plants in the last two years.
（A）is; have
（B）is; has
（C）are; have
（D）is; are
