________ of my sisters are experts in agriculture. Helping the farmers improve their farming techniques _________their duty.
The managers, ____it clear to us that he didn’t agree with us, left the meeting room.
Some researchers believe that there is no doubt___ a cure for AIDS will be found.
.---Ow! I’ve burnt myself!---How did you do that?---I ____a hot pot.
I’d like to arrive 20 minutes early___ I can have time for a cup of tea.
I don’t mind picking up your things from the store._____, the walk will do me good.