-Daniel，could you tell me ？
-Certainly，in Tokyo．（ ）
| A． |
when the 2020 Olympics will be held |
| B． |
when will the 2020 Olympics be held |
| C． |
where the 2020Ol ympics will be held |
| D． |
where will the 2020 Olympics be held |
Why is Grace's Chinese so good？
Because she China for ten years．（ ）
| A． |
has gone to |
B． |
has been to |
| C． |
has come to |
D． |
has been in |
Paper is useful invention．Cai Lun invented it around 2，000 years ago．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
不填 |
Excuse me， could you tell me _______？
Go along this road to the bus station， and take Bus No． 31．（ ）
| A． |
where is the Rice Museum |
| B． |
which the way to the Rice Museum was |
| C． |
how I can get to the Rice Museum |
| D． |
whether is the Rice Museum near here |
A landmark（里程碑） in the history of science was made by a photo _______ was taken on April 10th about the black hole in a faraway galaxy（星系）．（ ）
| A． |
who |
B． |
which |
C． |
what |
D． |
when |
Our life _______ greatly by 3D printing technology in a few years．（ ）
| A． |
will influence |
B． |
influences |
| C． |
will be influenced |
D． |
is influenced |