14. --I tried many times, but I still failed in the experiment. --Don’t be discouraged. ____ and the problem will be settled.
As we all know, it’s not polite to keep others_________for a long time.
An official_________by some reporters on food problems in Shanghai yesterday.
We are glad to hear that the Greens_________to a new flat next week.
Now my father_________his bike to work every day instead of driving.
By the end of the last month, I_________all the CDs Of Justin Bieber.