Can you solve the problem? —Sorry, I can’t. Why ___ ask the teacher ___ help?[ ]

Here’s a recipe ______ a pizza. [ ]

“Learning from Lei Feng Day” is only two weeks from now. We need to ________ a plan about it.

The Olympic Games of 2016 will____ in Brazil.

Who is ___ boy in a red cap? –He is Tom. He is good at playing ____ basketball.