Tom does speak Chinese well, but his reading and writing skills leave much _______.
| A．to improve | B．to be improved | C．improving | D．improved |
When the group discussion is nearing its end, make sure to ____it with important points.
| A．conclude | B．lead | C．avoid | D．hold |
Eye doctors recommend that a child’s first eye exam ____at the age of six months old.
| A．was | B．be | C．were | D．is |
______how others react to the book you have just read creates an added pleasure.
| A．Hearing | B．Hear | C．Having heard | D．To be hearing |
If we leave right away, ____we’ll arrive on time.
| A．hopefully | B．curiously | C．occasionally | D．gradually |
The children, ____ had played the whole day long, were worn out.
| A．all of what | B．all of which | C．all of them | D．all of whom |