Staying up is bad _____ you , but getting up early is good _____ your health.
| A．for, for | B．to , for | C．to, to | D．for, to |
—Was it under the tree _______ you were away talking to a friend?
—Sure. But when I got back there, the bike was gone.
| A．that | B．where | C．which | D．while |
Two explosions near the finish line of the Boston Marathon killed at least 3 people and injured more than 180 others, and currently FBI has figured out how it __________.
| A．came up | B．came out | C．came across | D．came about |
A person ________ with H7N9 viruses will be more likely to die of lung dysfunction.
| A．developed | B．infected | C．injected | D．progressed |
The children talked so loudly at dinner table that I had to struggle _________
| A．to be heard | B．to have heard | C．hearing | D．being heard |
At present, computer knowledge has become ___________ requirement as the ability to read and write.
| A．so basic a | B．so a basic | C．as basic a | D．as a basic |