Look before you leap! You have to ______the costs of the new system against the benefits it will bring.
| A．weigh | B．match | C．defend | D．Fight |
I care about most is whether the company provides opportunities for further education.
| A．Whether | B．What | C．That | D．Which |
the instructions on the packet when you take the drug and it, I think ,will work soon.
| A．Follow | B．To follow | C．Following | D．Followed |
Mr.Li has some trouble sleeping, so drinking a glass of milk before going to bed every night is his common
| A．practice | B．knowledge | C．experience | D．duty |
Under no circumstances my bike tomorrow.
| A．he is borrowing | B．is he to borrow |
| C．he will borrow | D．could he be borrowing |
-What do you think of the music teacher?
- she is an elegant lady, she can be extremely difficult to work with.
| A．While | B．When | C．Even if | D．As |