With the gas _____, they had to quit the car and walked.
| A．ran out | B．running out | C．run out of | D．was run out of |
_______ on time, this medicine will be quite effective.
| A．Taking | B．Being taken |
| C．Taken | D．Having taken |
“Where is David?” “He is upstairs ______ ready to go out.”
| A．to get | B．getting |
| C．to be getting | D．having got |
When I handed the report to John, he said that George was the person _______.
| A．to send | B．for sending it |
| C．to send it to | D．for sending it to |
To test eggs, _______ them in a bowl of water: if they float they’re bad, if they sink they’re good.
| A．put | B．putting |
| C．to put | D．to be putting |
He is a man of few words, and seldom speaks until _______ to.
| A．spoken | B．speaking |
| C．speak | D．be spoken |