Tim， our foreign teacher Ms． Green will go back to England next week．
Really？ Let's have a party to say goodbye to her _______ she is free this weekend．（ ）
| A． |
unless |
B． |
if |
C． |
though |
We have entered a world where robot operations become true with 5G technology．
Hard to believe! Scientists are full of which leads to great changes in our life．（ ）
A．attractionB．invention
C．positionD．contribution
Who is at the door？
A deliveryman（快递员） or wanting to sell his new products．（ ）
A．everybodyB．anybodyC．somebodyD．nobody
It's pity that many wild animals are now in danger．Please have pity on them since they are part of our big family．（ ）
A．a；/B．a；aC．/；aD．/；/
Through 5G，people in two different cities can even "shake hands" on the same screen．
_________（ ）
A．What a mess!B．Don't mention it．
C．With pleasure．D．Wonderful indeed．
Kunqu Opera is_____thought to be one of the symbols of Suzhou． Don't miss it during your stay here．（ ）
A．hardlyB．widelyC．suddenlyD．badly