China supplies more than 90 percent of the world’s rare earth metals, but its reserves only ________ about one-third of the world’s total.
Thank you ____ me with my homework.
I ____ lesson on Wednesday afternoon.
– Can you come and play baseball games with us?-- ____. I have a lot of homework to do.
– Which is the best way ____ to school?-- By bus.
It usually ____ him fifteen minutes to walk to school.