He made another wonderful discovery, ______ of great importance to science

government on Wednesday _______ formerCommerce Secretary Gary Locke as ambassador to China, making him the first Chinese-Americanever to take the post

I ______ sooner but I didn’ t know that they were waiting for me

Lin Tao sits_________Joan_. Lin Tao is very tall, so she can’t see anything.

The approach ______ the problem is contrary ______ our expectation