My school is about twenty ________ walkfrom here.

－So many problems! I’m too tired.－You should try to _________ them by yourself. You’re not a child any longer.

n’t go to that supermarket quite often, do you—-No，I only go there ________ because it’s too far away from my house.

The Somali robbers’ frequent attacks on the sea urged the United Nations to__________ allnations to take immediateaction..[ ]

Students are encouraged to share their learning experience__________ their classmates.