—I must leave right now by bike instead of waiting for a taxi.—Well, The ground is still quite wet.
Recent studies have discovered that fathers uniquely contribute to the development of their children, _____ in low income families.
The local authority is trying to ______ oversea investment by beautifying its environment.
---Did you wait for him long? ---No, I hadn’t waited long _______ he appeared.
---It is said that China has been a member of WTO since December 11, 2001. ---Well, it’s wonderful that the Chinese people ______ have made so much progress these years.
______ to frighten the poor man, Mrs. Richards quickly hid under stairs.