I think this is the first time that we have met.＿＿＿anywhere.
| A．Before have we never seen each other |
| B．Never before we have seen each other |
| C．Each other have we seen never before |
| D．Never before have we seen each other |
.____to someone , a British person often shakes hands with the stranger.
| A．Introducing | B．To introduce | C．To be introduced | D．On being introduced |
_____a reply he decided to write again.
| A．Not receiving | B．Receiving | C．Not having received | D．Having not received |
Little Franz thought of nothing but ______football .
| A．play | B．to play | C．played | D．playing |
Good care must babies particularly while they are ill.
| A．take | B．taken of | C．be taken | D．be taken of |
.If _____,the experiment will be successful.
| A．carefully doing | B．it done carefully | C．carefully done | D．doing carefully |