I’m not surewhether I will have anything else to do this evening____,I will try every posslblemeans to come to your birthday party[ ]

We must make sure that public facilities(设施)in the newly-built building, like the restroom and the lift, are.

Hello! This is Henryspeaking. I’d like to speak to your father. —Sorry, he has _______Shanghai.

Must I return the book this week No,you______. You can ______ it for 20 days.

You should take exercise in your spare time. — I want to, but the little time I have outside of school is _____with a part-time job.