Nobody can achieve anything of real significance _____ he works very hard.
| A．if | B．unless | C．meanwhile | D．as |
Neither my father nor my brothers ______ the symbol.
| A．are knowing | B．is knowing | C．knows | D．know |
This book can be used in ________ countries.
| A．English-speaking | B．English-spoken |
| C．speaking English | D．spoken English |
. After school, the students came home, ________.
| A．be happy and gay | B．being happy and gay |
| C．to be happy and gay | D．happy and gay |
. I forgot ________ my exercise-book with me, so I can’t lend it to you now.
| A．to bring | B．bringing | C．to have | D．having brought |
Tom dropped in to see us on his way ________ home from the theater.
| A．a | B．the | C．× | D．to |