Simon has done well in his studies， he still works really hard．（ ）
| A． |
Since |
B． |
If |
C． |
Although |
D． |
Unless |
Don't forget to protect your eyes well____ you take online classes．
OK． Thank you， Sir．（ ）
A．ifB．thoughC．as if
A new airport will be built in Tantou， Longhui．
Good news! But a lot of good farmland______________．（ ）
A．will wasteB．may be wasted
C．has wasted
Well， I'm new in town．_______a bank around here？
Of course． It's just near Chengnan Park．（ ）
A．There isB．Is thereC．Is it
How do you study for a test， Annie？
I study____ working with a group．（ ）
A．byB．withC．in
Do you like English？
Yes， but I think____ is a great challenge to learn the language well．（ ）
A．thatB．thisC．it