The desks in our classroom are so close together that there is not enough room to move them．
A. between
B. in
C. across
D. over
网友回答
A. between
B. in
(答案→)C. across
D. over
解析：考查介词，between在……之间，指两者之间，in在……内，across穿过，over在……上面，句意：在我们教室课桌挨得如此的近以致于没有足够的空间穿过它们。故选C。