Micro-letters (Weixin) will be charged has not been decided yet.
Dr. Smith, together with his wife and daughters, _____ visit Beijing this summer.
The number of foreign students attending Chinese universities _____ rising steadily since 1990.
— Why does the lake smell terrible?— Because large quantities of water ____.
Although we have only met ______, I find we have a lot in common.
Only ______ allowed to take part in the speech contest in our class and so the rest ______ disappointed.