— ______ are you looking for?
— The key to my bike.
| A．Where | B．Who | C．What | D．When |
He ran quickly all the way to school, ______ he was still late.
| A．but | B．and | C．or | D．so |
John starts work______ 10 o’clock every day.
| A．in | B．on | C．at | D．for |
The news _______, right?
| A．sound exciting | B．sounds exciting | C．sound excited | D．sounds excited |
Important sentences are often marked ______ different colours.
| A．in | B．on | C．about | D．by |