_____ you talk to or write a message to someone, you show your language skills to others.
| A．Every time | B．Some time | C．At times | D．The time |
Cultural exchange ________ better understanding.
| A．makes for | B．looks for | C．takes for | D．sends for |
You can come here to ask me ________ if you have any questions.
| A．at one time | B．at a time | C．at any time | D．all the time |
________ is no possibility ________ she can finish the task in two hours.
| A．There; that | B．It; that | C．There; whether | D．It; whether |
The purpose of new technologies is to make life easier, ________ it more difficult.
| A．not make | B．not to make | C．not making | D．don’t make |
The selfless village doctor treated whoever came to his family without any_ _.
| A．cost | B．payment | C．charge | D．price |