Many students listened to the lecture, but I wondered how much they _____.

Look！The clouds are very thick.It________rain.[ ]

It’s ____ unusual chance for Mr White to get such ______ useful advice.

What would you like to say to your ________ before leaving school—I’d like to say “Thank you very much! I’ve learnt a lot from you in the past three years.”

―When will the visa be ready, sir?―______ everything goes well, you will get it in 14 workdays