We will have modern equipment ______ things that are complicated. This will make things simple.
I have been waiting for a bus for so long. If only I _______ a book with me!
The computer system_________ suddenly while he was watching news on the Internet.
--Look! What are the Greens busy doing? -- Mrs Green is cutting the grass; _________, her husband is planting the roses.
____ I saw him, I knew he was the man the police were looking for.
--How do you like the film Frozen? --Great! Never before _________ a better one.