the science lab?
those socks?
is it?
books are there on the table?
Where is Jack ?
meet at the bus stop?
is your English book?
—At 6:30 a. m.
—In the drawer.
—I don't know. Are they in the bag?
—In two hours.
—At least ten hours.
—About two kilometres.
We want to set off early avoid the heavy traffic．
water is there in the river?
The girl didn't know where her mother．
Martin to give his mother a lot of trouble.
do they have P. E. now?
—______ we reach an agreement.
—From May 24th to July 19th.