There are a lot _____ students on the playground.
A. of B. in C. by
There are stars in the Galaxy. They are far from us.
| A．billion of | B．billions | C．billions of | D．billion |
. —______ to the Shanghai?—No, never, but I went to Beijing a few years ago.
| A．Have you been | B．Have you gone | C．Did you go | D．Will you go |
—How many students are there in the classroom? ____. They are all in playground.
| A．none | B．nobody | C．everyone | D．all |
I ______ my English teacher for two years.
| A．see | B．have see | C．have not seen | D．saw |
I haven’t finished my work ________.
| A．already | B．just | C．ever | D．yet |