The air quality in the city, ______ is shown in the report, has improved over the past two months.
| A．that |
| B．it |
| C．as |
| D．what |
Without electricity human life ______ quite difficult today.
| A．is | B．will be |
| C．would have been | D．would be |
Little Johnny felt the bag, curious to know what it _______.
| A．collected | B．contained |
| C．loaded | D．Saved |
— I’m still working on my project.
— Oh, you’ll miss the deadline. Time is ______.
| A．running out | B．going out |
| C．giving out | D．losing out |
We hadn’t planned to meet. We met ______ chance.
| A．of | B．in | C．for | D．By |
Everyone in our class likes Mary because she is good at telling and ______ jokes.
| A．turning up | B．putting up |
| C．making up | D．showing up |