By the time I got to school, I realized that I ________ my pen at home.
| A．have forgotten | B．have left |
| C．had forgotten | D．had left |
You won’t feel happy at school ___ you get on well with your classmates.
| A．though | B．when | C．unless | D．because |
---Remember,___ you study, ___ result you will get.
---OK, Dad. I will.
| A．the better ; the harder | B．the harder ;the better |
| C．the hard; the better | D．the harder; the good |
My mum did all she could ___money for my education at that hard time.
| A．made | B．makes | C．to make | D．making |
---Do you know if he ___to our party?
---I think he will if he ___free tomorrow.
| A．comes; is | B．comes; will be |
| C．will come; is | D．will come； will be |
---Listen, Mum. I heard the footsteps. Is it Dad?
---It ___ be him. He’s gone to Beijing on business this morning.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |