We are going to the theater tomorrow ______ all the tickets are sold out.
| A．when | B．unless |
| C．whether | D．because |
Many scientists believe sea levels ______ by more than one meter by the end of the 21st century.
| A．will be risen | B．will have risen |
| C．will have been | D．will be rising |
______ from the 19th century novel by Henry James, this film tells of a young woman’s conflicting feelings.
| A．Adapted | B．Adjusted | C．Adopted | D．Admitted |
Usually pilots need about a decade of experience _______ they can be promoted to captain.
| A．after | B．before | C．then | D．when |
Riding on the swings and playing with the ducks in the pond _____ our children’s greatest pleasures when we took them to the park.
| A．is | B．were | C．was | D．are |
Please make sure that no details _____ before you deliver a speech.
| A．would be overlooked | B．will overlook |
| C．are overlooked | D．are overlooking |