____ more attention, the trees could have grown better.
| A．Given | B．To give | C．Giving | D．Having given |
The teachers hope students can keep a ________ between work and relaxation.
| A．promise | B．lead |
| C．balance | D．diary |
I'll be busy on ________ Sunday morning, and perhaps I'll have ________ late night.
| A．the; a | B．/; a |
| C．/; the | D．the; / |
It is high time that we started to consider what ________ we should take to reduce heavy smog caused by traffic fumes and other pollutions.
| A．affection | B．attention |
| C．measures | D．advantages |
________ walk is expected to last all day, so bring ________ packed lunch.
| A．A; a | B．The; / |
| C．The; a | D．A; / |
In recent years, many mainland residents have rushed to Hong Kong to buy baby milk powder due to their ________ about its quality.
| A．anxiety | B．curiosity |
| C．generosity | D．attention |