She have left school， for her bike is still here.
| A．can’t | B．wouldn’t | C．shouldn’t | D．needn’t |
The young surgeon________his first operation successfully.
| A．made |
| B．exercised |
| C．carried |
| D．performed |
Lucy has________all of the goals she set for herself in high school and is ready for new challenges at university.
| A．acquired |
| B．finished |
| C．concluded |
| D．achieved |
You are not stupid________you are slow in study.You shouldn’t give up your studies.
| A．even though |
| B．when |
| C．while |
| D．whether |
________ is now no ________ that global warming is a security threat to us all.
| A．There；doubt |
| B．There；need |
| C．It；doubt |
| D．It；need |
Local resident groups have________in opposition to the plan.
| A．connected |
| B．united |
| C．joined |
| D．combined |