_____ unemployment and crime are high, it can be assumed that the latter is due to the former.
| A．Before | B．Where | C．Unless | D．Until |
Jenny did good job in the exam and as reward her parents took her to Beijing last September .
| A．a ; the | B．a ; a | C．/ ; a | D．/ ; the |
Thanks for your help , I couldn’t finish the work in time .
| A．with which | B．under which | C．without which | D．for which |
He always prefers a bicycle rather than on a crowded bus .
| A．ride ; ride | B．riding ; ride | C．ride ; to ride | D．to ride ; ride |
I’m sorry you’ve been waiting so long , but it will be an hour David gets back .
| A．before | B．since | C．till | D．after |
Some wild animals _____ and killed at such a speed that they will disappear from the earth in the near future.
| A．hunted | B．have hunted | C．are being hunted | D．had been hunted |