In 1778, Banks was elected ________president of the Royal Society, ________position he held for 42 years.

In 1778, Banks was elected ________president of the Royal Society, ________position he held for 42 years.

A．/, a              B．/ , the             C．the, a             D．the, the

In 1778, banks was elected ______ president of the Royal Society, ______ position he held for 42 years.

In 1778, Banks was elected ________president of the Royal Society, ________position he held for 42 years.

1. A.
   /, a
2. B.
   / , the
3. C.
   the, a
4. D.
   the, the