---- How about the party ______ in Tom’s house last night ? ---- I don’t know. I was too busy to attend it.
________ you understand this rule, you’ll have no further difficulty.
________ the man grew older, he lost interest in everything except gardening.
You may borrow this book ________ you promise to give it back.
I have been keeping that photo ________ I can see it every day, as it always reminds me of my college days.
Doing your homework is a sure way to improve your test scores, and this is especially true ________ it comes to classroom tests.