(单选题)13: A hardworking man ____ become a great scientist, but a great scientist _____ be a hardworking man. A: can’t, can B: may not, can C: can’t, must D: may not, must ...
(单选题)7: I'm going to replace my ___ car with a new one A: buttered B: battering C: butter D: battered ...
(单选题)1: The ___ of children annoys most of the members in the family. A: abandon B: abandoning C: abandoned ...
(单选题)15: There is a good reason to doubt that public school science has much influence ___ economic productivity. A: in B: on C: to D: towards ...
(单选题)3: formidable A: frightening B: solid ...
(单选题)17: The movement is a long way ___ achieving critical mass. A: from B: to C: after D: off ...
(单选题)11: Only through doing things together ____ break down racial barriers. A: people will B: will people C: people shall ...
(单选题)5: prolific A: political B: productive ...
(单选题)19: arrogant A: proud B: attitude ...
(单选题)13: cursory A: curiosity B: hasty ...