(2020原创)I can't solve this problem. This is the most difficult problem I have ever ________．
A.cost B.gone C.met D.put
(2020原创)My home is not far from our school. So I ________ go to school on foot.
A.never B.seldom C.always D.sometimes
(2019 秦皇岛海港区二模) For more than once, our English teacher ________ us to develop the habit of keeping a diary.
A.is asking B.asks C.asked D.has asked
(2019 石家庄桥西区一模) All roads lead to Rome. The roads are just ________ your feet.
A.at B.in C.on D.under
(2019南充改编)We have different kinds of new toys for boys. You can choose ________ for your son.
A.that B.one C.it D.either
(2019甘肃改编)Here is my family ________. We took it last year.
A.member B.name C.photo D.house
