He reminded his daughter that only after _______a secretary and other staff_______able to concentrate on marketing.

I hear Sam has gone to Qingdao for his holiday.— Oh, how nice! Do you know when he________

Great efforts toincrease agricultural production must be made if food shortage ______ avoided.

Would you please turn yourradio a little I’m tired now and feel likesleeping.

Kate’s dad is getting old. She will go back home tosee him _____it is convenient.