Milk bottles need cleaning thoroughly before they are used again , they?
| A．don’t | B．mustn’t | C．needn’t | D．aren’t |
“The moment ______ soon,” he thought to himself, waiting nervously.
| A．is coming | B．was coming | C．came | D．has come |
______ nearly all behavior is learned behavior is a basic assumption ______ has been put forward by the social scientists.
| A．What, that | B．That, what | C．What, what | D．That, that |
He is very ______ and well-qualified, so he should reach the top of his profession.
| A．proud | B．jealous | C．ambitious | D．enthusiastic |
______ nobody else at hand, I had to carry the heavy box to the eighth floor by myself.
| A．It having | B．It has | C．There was | D．There being |
-- Do you enjoy the moves of Gangnam Style?
--- ______ . I just do it to keep fit.
| A．Of course | B．Not really | C．Not likely | D．Not a little |