这辆自行车我已经买了一个月了。
I have _________ the bike ________ a month.
自从新的学期起,珍妮在英语学习上取得了很大的进步。
Jenny has __________ great ___________ in learning English since the new term began.
您别生迪克的气,这会议他不是故意迟到的。
Don’t be angry with Dick, he wasn’t late for the meeting ___________ ___________.
每个人都应当为保护环境做出贡献。
Everyone should make a _____________ _____________ protecting the environment.
最后,我们成功地到达了山顶。
Finally, we ___________ _______________ getting to the top of the mountain.