— John, could you please the black-board now? It’s your duty today.
— OK. I’ll do it right away.
| A．not to clean | B．to clean | C．not clean | D．clean |
—Jack ,I have ________working out the math problem .
--Don’t worry . Let me help you .
A. funB. troubleC. experience
—Why do people there _______use umbrella in the sun ?
---Because they would rather enjoy the sunshine .
A. hardly B. often C. always
---Liu Ming,is that our headmaster Miss Chen over there ?
-- It can’t be her . She _______Xiamen for a meeting.
A. has been to B. has gone toC. has been away
---Lisa ,hurry up !The bus is coming .
--Oh ,no . We______cross the street until the traffic lights turn green .
A. mustn’t B. needn’t C. should
Don’t go to school ______breakfast . It’s a bad habit .
A. afterB. withC. without