Much of his spare time __ learning how to fix radios.
| A．spends in | B．takes | C．is spent in | D．is taken to |
---- Our holiday cost a lot of money.
---- Did it ? Well, that doesn’t matter_______ you enjoyed yourself.
| A．as long as | B．unless | C．as soon as | D．though |
Unsatisfied _______ with the payment, he took the job just to get some work experience.
| A．though was he | B．though he was |
| C．he was though | D．was he though |
As a new graduate, he doesn’t know _______ it takes to start a new business.
| A．how | B．what | C．when | D．which |
Did Jack take the doctor’s advice that he ________ in bed for a couple of days?
| A．lies | B．lay | C．lie | D．laid |
Over the past decades, sea ice _______ in the Arctic as a result of global warming.
| A．had decreased | B．decreased |
| C．has been decreasing | D．is decreasing |