it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a new word or sound, she repeats it over and over until she masters it.
| A．As | B．When | C．While | D．Since |
The flowers_______ sweet in the botanic garden attract the visitors to the beauty of nature.
| A．to smell |
| B．to be smelt |
| C．smelt |
| D．smelling |
Our class teacher, _______ that he didn't agree with us on the plan for a picnic, left the classroom.
| A．said |
| B．having said |
| C．to say |
| D．saying |
Though staying up late may not _______you,you will not be full energy the next day.
| A．hurt |
| B．harm |
| C．destroy |
| D．damage |
The boy wanted to ride his bicycle in the street, but his mother told him.
| A．not to |
| B．not to do |
| C．not do it |
| D．to not do |
Why do you think people tend to _______ red roses with love?
| A．match |
| B．associate |
| C．join |
| D．compare |