In the 1950s in the USA, most families had just one phone at home, and wireless phones _______ yet.
| A． |
haven't invented |
B． |
haven't been invented |
| C． |
hadn't invented |
D． |
hadn't been invented |
Building such a bridge over the bay was ______，but the local government made it within two years．（ ）
| A． |
a wet blanket |
B． |
a piece of cake |
| C． |
a dark horse |
D． |
a hard nut to crack |
They decide to have more workers for the project ______ it won't be delayed．（ ）
| A． |
even if |
B． |
as if |
C． |
now that |
D． |
so that |
If you look at all sides of the situation，you'll find probably a solution that _______ everyone．（ ）
| A． |
suit |
B． |
suited |
C． |
suits |
D． |
has suited |
Many lessons are now available online，from ______ students can choose for free．（ ）
| A． |
whose |
B． |
which |
C． |
when |
D． |
whom |
﹣The movie start at 8：30，and we can have a quick bite before we go．
﹣﹣ ．See you at 8：10．（ ）
| A． |
So long |
B． |
Sounds great |
| C． |
Good luck |
D． |
Have a good time |