—How many teachers are there in your school?—About two _________.
—It seems _____ you like to work with children. —Yes, they are so lovely.
His close friend _____ for two years.
—Have you ever _____ Mudanjiang to see the Jingbo Lake? —Yes, I have.
.—_____ you _____ your homework yet?—Yes, I _____ it ten minutes ago.
You’d better speak aloud ______ we can hear you.