As students, we should ________ our study.A.pay forB.spend onC.concentrate on
_______ it’s very foggy, the highway is closed for the time being.
— I wonder if your father _______ you to go swimming. — I’m not sure. But I will tell you if he _______ to let me join you.
The boy felt very _______ and fell _______ as soon as he lay on the bed.
— With the red skirt _______ her, Jane looks prettier. — Yes. I’m a little green _______ envy. I wish I were as pretty as her.
-Do you like chatting with your friends on the telephone or mobile phone? -_________. I would rather __________ QQ.