The income of skilled workers went up．______, unskilled workers saw their earnings fall．
| A．Moreover | B．Therefore | C．Meanwhile | D．Otherwise |
The businessperson wanted to sell his goods fast; ______, he chose his partner with great care.
| A．therefore | B．otherwise |
| C．for | D．however |
Do you know the man____ is talking with Tom?
| A．which | B．who | C．whom | D．whose |
A dictionary is a book ______ gives the meanings of words.
| A．which | B．who | C．whom | D．whose |
The old town has narrow streets and small houses ________ are built close to each other.
| A．they | B．where | C．what | D．that |
Do you want a friend ______ you could tell everything to?
| A．which | B．whose |
| C．whom | D．he |