Millie is a good swimmer and can swim ______ a fish. [ ]

Now the train service is very good. The trains are _________on time.

Mom, I am afraid that I can’t get through the hard time we’re having now.—My boy,be brave and tell yourself.

How to read 4,444,444 in English?

Have you ever been to Shanghai, Mary?—Yes. I ___________ there three times.