______ label to each of the trees, with detailed introduction of their features, and visitors will know more about them and how to protect them.
| A．To attach | B．Attach | C．Attached | D．Having attached |
Could you tell me when to get the book _____ I want to read?
| A．what | B．who | C．/ | D．it |
The math problem is so hard. I really don’t know _____.
| A．what to do it | B．how to do |
| C．how to do it | D．what do it |
She told us _____ story that we all forget about the time.
| A．such an interesting | B．such interesting a |
| C．so an interesting | D．a so interesting |
At that time, Tom was _____one-year-old baby.
| A．a | B．an | C．the | D．/ |
Mr. More has more money than Mr. Little. But he doesn’t enjoy_____.
| A．he | B．him | C．his | D．himself |