The girl is very shy, and never speaks until ___ to.
.I wish I________a chance to talk with you about my writing before you left yesterday.
Not only_______polluted but________crowded.
I like_____ in the autumn when the weather is clear and bright.
1.He is talking so much about America as if he________ there .
While in university,we were offered a number of afterschool activities to ________ our social skills.