Only when you have obtained sufficient data ________ come to a sound conclusion.
A
暂无解析
Comrade Li ________ be in Beijing because I saw him in town only a few minutes ago.
________(catch)intherain,hewaswettotheskin.
The more we looked at the picture, ________.
He asked me whether my brother ________ (fly) to Beijing.
________ (fail) several times, they need some encouragement.