Most people think that English is ___________ useful language, but some students think it’s ___________ unimportant subject.
---Where is Mr. Johnson now? ---He isin the classroomin the library now. You may find him there.
You can never imagine the great difficulty I hadher e-mail address.
Could you tell me _______?
The young lady prefers _______ shopping to _______ down when she feels stressed.
----Have you ever been to HK, Jim? ---- Yes, I ______ there for two weeks with my parents last summer.