问题
选择题
We have planted thousands of trees in recent years. This year _____ we’ve planted ten thousand trees.
A．even
B．just
C．alone
D．only
答案
答案：C
考查：副词alone，意为仅仅，只是，要后置，even甚至，just，only仅仅要前置，句意：最近几年我们种了成千上万棵树，仅仅今年我们已经种了一万棵。所以选C。