Look! It is _______so_______!

If it_________ tomorrow, I’ll go birdwatching with my father.
-----That’s a good idea.

—I’m sorry to tell you a fast car _______ Li Lei yesterday.
—Oh, that’s terrible!

Mary, along with her parents            Hainan for a week and they will come back soon.

—Linda, I called you this morning, but nobody answered the phone.
—I’m sorry. I ________ football with my friends then.

We aren’t sure of the weather. We _______ sightseeing unless it_________ tomorrow.

---Where ________ you last night? I called you, but got no answer.
---Sorry. I ________ out with my brother.

By the time I got to the bus stop, the bus         .
A、has already left             B、already left         C、had already left

–Where is Tom?  --He _______ the USA. He _______ back in two months.
A. has gone to; comes                     B. has bee to; will be
C. has been to; comes                     D. has gone to; will be

One of the students __________ good at ________piano.