It used to ______ that humans and animals were different and had little in common.
| A．believing | B．be believed | C．believe | D．believed |
___ in thought, he almost ran into the car in front of him.
| A．Losing | B．Having lost | C．Lost | D．To lose |
The boy wanted to ride his bicycle in the streetm but his mother told him___.
| A．not to | B．not to do | C．not do it | D．do not to |
We agreeed ___ here but so far she hasn't turned up yet.
| A．having met | B．meeting | C．to meet | D．to have met |
When I handed the report to John, he said that George was the person ___.
| A．to send | B．to sending it | C．to send it to | D．for sending it to |
Paul doesn't have to be made ___. He always works hard.
| A．learn | B．to learn | C．learned | D．learning |