我们上周末在后院种了几棵树。

We ___planted several trees in our backyard last weekend.

她每年秋天把球茎种在花盆里，为了春天的花。

She ___plants bulbs in pots every autumn for spring flowers.

我祖母几年前在房子周围种了玫瑰。

My grandmother ___planted roses around her house years ago.