Though they are not very sure of the long-term ,all the scientists agree to start_____,all the scientists agree to start the research immediately.
– Have you heard that Tom, along with his parents, ______ to Japan? -- Really? No wonder I haven’t seen him these days.
Try to spend your time just on the things you find ______.
It was foolish of him to ______ his notes during that important test, and as a result, he got punished.
I regret _____ that I am unable to help you.
we were ______ at the news of her sudden death.