y will fly to Washington, ___________they plan to stay for two or three days.

When the old man_____to walk back to his house，the sun____itself behind the mountain

Every time he tries to break a record, he reaches a point ________ he feels he can not physicallydo any more[ ]

The shy girl felt ______ and uncomfortable when she could not answer her teacher’s questions.

Experts believe that language learning is a process______ skills are more important than grammar rules