【单选题】
12. We didn’t catch the train _______ we left late.
【单选题】
We wont know whether it will be successful. We wont know whether there will be good ___.
【单选题】
Our teacher recommended that we _____as attentive as possible when we visit the museum.
【单选题】
While we admit his good points, we can see his bad ______.
【单选题】
8. Economy seems to be the only ______ to the financial problem.
【单选题】
Spitting on the ground is not only ______ but also harmful to others’ health.
【单选题】
21. If only I _____ the answer to your question.
【单选题】
There was only one thing to do [] study till dawn.
【单选题】
The red rose is the only one _____I really like.
【判断题】
Cancer is second only of heart disease as a cause of death.