. People couldn't help ___________ the foolish emperor in the procession.
| A．laugh at | B．to laugh at | C．laughing at | D．laughing on |
The ma
nagerexcited when he learnt the projectwell
A．sounded；was progressed B．was sounded；progressed
C sounded；was progressing D．was sounded；would progressed
Chemical processesin the treatment of materials for clothes the environment badly in some countries nowadays．
| A．involve；damaging | B．involved；damaged |
| C．involving；damage | D．involved；damage |
From the situation in this financial crisis，you can seeChina is totally notshe used to be a century ago.
A．／：that B．that；what C．which；that D whethe’that
I iust don't understandthat leads to so many teenagers becoming addicted to playing computer games·
A．why it does B．what it does C．what it is D·why it is。
We’ll buy a11 the products in your storehouse，of course the price is reasonabte．
A．provided B．unless C．though D·until