Have you found the information about famous scientists _____ you can use for the report？
Not yet．I'll search some on the Internet．（ ）
A．whereB．whichC．whatD．who
Julia， your mobile phone is ringing．
Wait a minute． It's dangerous ______ it while crossing the street．（ ）
| A． |
answering |
B． |
answer |
C． |
to answer |
Look， what an old bridge! It looks so special!
Yeah， it ______ nearly 500 years ago．（ ）
| A． |
was building |
| B． |
was built |
| C． |
has built |
Why ______ we close that chemical factory？
Because it has caused lots of pollution． We need better environment．（ ）
| A． |
must |
B． |
can |
C． |
may |
It's reported that Fuxing high﹣speed train can go as ______ as 350km an hour．
Wow， how amazing!（ ）
| A． |
fastest |
B． |
faster |
C． |
fast |
Did you watch the basketball match on TV last night？
I wanted to， but my father______ his favorite TV program．（ ）
| A． |
watched |
| B． |
was watching |
| C． |
watches |