—How many lessons ______ Mr. Wang have every day? —Six.
A. do B. has C. does
Could you tell me _______ a concert in Shanghai next week?
| A．if there was going to be |
| B．if there is going to be |
| C．whether is there going to be |
| D．whether there is going to have |
---Do you know about a very popular toy--- the yo-yo(悠悠球)?
---Yes. Filipinos(菲律宾人) invented it ________ accident. And it ________ helping kill animals.
| A．at; used to | B．on; was used to |
| C．by; used for | D．by; was used for |
To make our city more beautiful, a large number of trees ________ in the mountains last year.
| A．was planted | B．were planted |
| C．are planted | D．is planted |
---Our hometown develops so fast.
---That’s true. Great changes ________ there in the past few years.
| A．happened | B．took place |
| C．were happened | D．have taken place |
---Mario used to be short, didn’t he?
---________. But now he is tall.
| A．Yes, he didn’t | B．No, he did |
| C．Yes, he did | D．No, he didn’t |