ount of fuel supplies being finite and manypeople being wasteful, we will have to install ________ solar heating device inour home.

If you find yourself submitting to your fears, stop and ________ your situations.[ ]

_______in a famous university is what most students wish for. [ ]

When Jack arrived _____the airport，he found it hard to look for a place to park his car．

We don’t have a party ______ the morning ofOctober 1st.