--- Will the new iphone cost a lot?--- I ________ think so. Apple’s products are usually expensive.

You _____ to the meeting tomorrow if you have something important to do.

—I’m sorry. I ________ at you the other day.— Forget it. I was a bit out of control myself. 

It’s beyond our comprehension that Jim, who tops the class in English, ________ have difficulty translating such a simple sentence.

Please do not feed the fish; they ________ die if they eat too much.