—Have you got time on Friday?
—________
| A．It'scertain. | B．Ofcoursenot |
| C．Why? I'llstayathome. | D．Youcansaythatagain. |
Duty is a course of action that peopleyou to take by social customs , law or religion.
| A．persuade | B．request | C．instruct | D．expect |
——Guess what ,we’ve got our visas for a short-term visit to the UK this summer.
——How nice! You a different culture then.
| A．will be experiencing | B．have experienced |
| C．have been experiencing | D．will have experienced |
This book _____ the life of the students is popular with the teenagers.
| A．which based on | B．based on | C．basing on | D．being based on |
—How long has this bookstore been in business?
—_______ 1996.
| A．After | B．In | C．From | D．Since |
The plant is dead. I ______ it more water.
| A．will give | B．will have given | C．should have given | D．must give |