When I was doing shopping in the market the other day, I _____ an old friend of mine, who I hadn’t met for twenty years.
| A．came up | B．came over | C．came across | D．came about |
Influenza HINI is an illness that can result in death unless ______ in time.
| A．treat | B．to treat |
| C．treating | D．treated |
MSN, ______ you can chat with your friends, makes communication easy.
| A．why | B．which |
| C．that | D．where |
Mother's love is true love! She's never stopped loving you ______ you become or you do.
| A．whichever | B．however |
| C．whatever | D．whoever |
The dance performed by the disabled actors is really a hit, but years ago no one ______ they were to achieve such great success.
| A．must have imagined |
| B．could have imagined |
| C．should have imagined |
| D．would have imagined |
______ it is true that a student's most important goal is to do well in his or her studies, it doesn't need to be the only goal.
| A．When | B．As |
| C．While | D．Before |