This is the time during days that he has made the same mistakes.
| A．second; third | B．two; three | C．two; third | D．second; three |
--Is your English teacher Mr. Li very patient?
--Yes. He often ________ lots of time ________ to us.
| A．pays, explaining | B．spends, explaining |
| C．takes, explaining | D．costs, explaining |
The father is creative enough __________ so many nice toys for his daughter.
| A．buying | B．to buy | C．making | D．to make |
In our life, we can work hard on one task _______, and then another. In this way, all your dreams can be realized.
| A．at a time | B．on time | C．at the time | D．all the time |
We have discussed the project for two hours. And after a short break, the discussion________.
| A．will carry on | B．will be carried on | C．has carried on | D．were carried on |
Now, the Internet has made ______ much faster and easier to travel. For example, you can book tickets online.
| A．us | B．that | C．it | D．this |