1) That famous composer ________ write little pieces of music when she was four. (general ability) a) can b) was able to c) could d) is able to 2) We __ reach the top of the mountain before lunch yesterday. (specific success in the past) a) can b) were able c) could d) aren't able 3) He ___ swim when he was five. (inability in the past) a) can't b) wasn't able c) couldn't d) isn't able to

Practice

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?