If you spend the spring sneezing, take a look at your plate. Some foods _____ make allergies worse.

How ________ I help them to understand when they don’t listen?

--Whose T-shirt is this? --It ____ be John’s. It’s ______ small for him. 

I haven’t seen my old friends for years, I ‘m  looking  forword ______ them.

Some young people these days just ________ go out of their homes to contact the real world．