There is a knock at the door． It my mom． It's time for her to be back home．（ ）
| A． |
may be |
B． |
may not be |
C． |
must be |
D． |
mustn't be |
— Does the store have good fame？
— Yes，the prices here are always very fair.The owner just wants to make a（an） living.
（ ）
A．honestB．healthyC．relaxingD．exciting
The idiom（成语）"Mengzi's' mother makes three moves" tells of mother who did all she could to provide the best for her child.（ ）
A．experienceB．instruction
C．environmentD．information
The official newspaper the news of Tiangong 1，for it took a big step forward into space.（ ）
A．heardB．checkedC．believedD．celebrated
— Only ten tickets？What do you mean？There be twelve.
— Sorry，Linda.Jacky and Tim took two tickets away.（ ）
A．shouldB．willC．canD．may
— Do you have any new findings in the report？
— Yes，we have 10，000 people，and 90% of them would like to buy our new products.（ ）
A．chosenB．surveyedC．examinedD．listed