For areas that receive regular and plentiful rainfall, such detailed crop monitoring（监测）might not be useful or ;
| A．economy | B．economic | C．economical | D．economics |
---Shall we go swimming? ---Ok, I’ll just go and get .
| A．changed | B．to change | C．to be changed | D．changing |
.—Is there anyone who is gong the Great Wall?
_______
| A．None | B．No one | C．No | D．Not any |
With all the magazine he needed ,he left the library.
| A．borrowing | B．borrowed | C．borrow | D．to borrow |
Andeison entered the classroom, ____book in ___hand.
| A．×, his | B．×, × | C．a, × | D．a, the |
---I hope you enjoyed the film last night.
---How on earth do you know I went to a film? I you.
| A．won’t tell | B．didn’t | C．haven’t told | D．don’t tell |