Hello！May I speak to Mary，please？
（ ）
A．I don't think so
B．I am Mary
C．Hurry up，please
D．This is Mary speaking
The villagers plan ______________a new bridge over the river.
| A． |
build |
B． |
building |
C． |
to build |
D． |
built |
Ann has got a letter from her best friend.It makes ___________ quite excited.
| A． |
she |
B． |
her |
C． |
hers |
D． |
herself |
Listen!Our science teacher _______________the use of the robot.
| A． |
explains |
B． |
explained |
| C． |
is explaining |
D． |
has explained |
There are many_____________ teachers in this primary school.
| A． |
woman |
B． |
woman's |
C． |
women |
D． |
women's |
The Tianwen﹣1 Probe landed on Mars___________ May 15th，2021.
| A． |
at |
B． |
in |
C． |
to |
D． |
on |