---Is it polite to speak and laugh loudly ______ ?---No, I don’t think so.A. in public B. at least C. on time
I’m sorry I’m late for work _______ the heavy traffic this morning.
----The number of the tigers is getting __________. ---- I agree _______ you.
The reserve is an important ______ area for the rare red-crowned cranes.
You should speak as loudly as you can _____everyone hear you clearly
I think ____necessary for us _____the birds.