—Excuse me, Maria. Can I use your bike?
—Sure. Here you are. But you must return it _____ time.
| A．in | B．At | C．on | D．to |
A teacher may also make a mistake if he or she is not _______.
| A．carefully enough | B．enough carefully |
| C．careful enough | D．enough carefully |
They _______ many happy hours _______ along the beach during the holiday.
| A．spend; walking | B．spent; walking |
| C．cost; walked | D．Gave; walked |
If we want to be a _____ visitor in a foreign country, it is important to know how to ask for help ________.
| A．politely, polite | B．polite, politely |
| C．politely, politely | D．polite, polite |
— Could you please tell me ______ just now?
— Sorry, I was busy with my work.
| A．what the teacher says | B．what does the teacher say |
| C．what the teacher said | D．what did the teacher say |
— How do you like the program The Voice of China?
______ amazing program it is! Many people like to watch it.
| A．What a | B．How | C．What an | D．How an |