I’m sorry that I can’t help _____ trees because I am busy with the homework.
| A．to plant | B．planting | C．planted | D．plants |
—Why? Where is the key to the sound lab?
—Dear me! You _____ it in the taxi！
| A．have never left | B．haven’t left |
| C．never left | D．didn’t leave |
Idioms often use a number of words to represent a single object, person or concept, ______, and it is easy to misunderstand what you read or hear spoken.
| A．among other things | B．on the contrary |
| C．by all means | D．above anything else |
The new method is indeed advanced and effective, quite different from _____ already in use.
| A．it | B．what | C．that | D．which |
She would move quietly up to the sparrow on a small tree just to get a better look, her face __________ with childlike expressions at one of God’s simple wonders.
| A．shone | B．shining |
| C．having shone | D．being shone |
Bats are surprisingly long-lived creatures, some ______ a life span of around 20 years.
| A．having | B．had | C．have | D．to have |