Professor Smith, along with his assistants,______ on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
—I meant ______ you to the host at the party, but I forgot.
—That’s all right. Some other time, maybe.
| A．to introducing | B．to introduce | C．introducing | D．having introduced |
Reading is an experience quite different from watching TV; there are pictures ______ in your mind instead of before your eyes.
| A．to form | B．form | C．forming | D．having formed |
Thank you for all your hard work last week. I don’t think we ______ it without you.
| A．can manage | B．could have managed | C．could manage | D．can have managed |
It was in the garden of his old house ______ he grew up ______ he dug up a pot of gold.
| A．that; that | B．where; where | C．that; where | D．where; that |
When ______ in a red coat, she looks like a young lady.
| A．wearing | B．dressing | C．dressed | D．having on |