Hot metal ________ as it grows cooler.
A、contractsA
暂无解析
________(fail)severaltimes,theyneedsomeencouragement.
Comrade Li ________ be in Beijing because I saw him in town only a few minutes ago.
The more we looked at the picture, ________.
Ipreferthisdiagram________thatone.
Night ________ (fall), we hurried home.
