It’s ___________ /'nesɪsərɪ/ for us to help parents do chores on weekends.
| A．surprisingly | B．necessary | C．successfully | D．suppose |
--- I’m sorry I_______ my homework at home.
---That’s all right. Don’t forget _______ it to school this afternoon.
| A．forgot；ringing | B．left； to bring | C．left； bringing | D．forgot； to bring |
Don’t _______too late, or you will feel tired in class tomorrow.
| A．wake up | B．get up | C．stand up | D．stay up |
--- Have you _______it?’
---Sorry. Would you please explain it for a second time?
| A．found | B．known | C．seen | D．got |
I have no doubt in my mind _______ they will be glad to see me.
| A．that | B．how | C．why | D．whether |
---Jack，you look tired today. What’s wrong?
--- I was _______ busy _______ I didn’t go to bed until midnight yesterday.
| A．too；to | B．so；that | C．enough；to； | D．such； that |