Scientists say it may be five or six years ______ it is possible to test this medicine on human
patients.
| A．since | B．after | C．before | D．when |
—Jerry, coffee or black tea?
—I don’t mind. I will like you’re making, Jenny.
| A．what | B．whatever |
| C．however | D．which |
All the economists are working on the financial crisis can be prevented, which has caused a huge loss throughout the world.
| A．how | B．when | C．that | D．why |
More than 100 students have entered for the competition and gains the most points will be the winner.
| A．what | B．one |
| C．that | D．whoever |
His father got him a job in a bank but soon it became clear
he was not fit for that kind of work.
| A．why | B．what | C．whether | D．that |
The seriously ill man thinks it doesn’t matter he will die, but what matters much is how he lives.
| A．how | B．that | C．why | D．what |