According to the recent research, heavy coffee drinking and heart attack is not necessarily and effect
| A．reason | B．impact | C．fact | D．cause |
Let’s _______ our personal feelings for now, and get to our business.
| A．set up | B．set off | C．set about | D．set aside |
You can take ____ you like here.
| A．which | B．no matter what |
| C．whatever | D．anything of which |
It is said that his carelessness ____ the terrible accident.
| A．resulted from | B．resulted in | C．turned out | D．worked out |
Tom as well as his friends ____ to visit our school soon after they arrive in Changsha.
| A．is coming | B．are coming | C．will have come | D．has come |
By the time you ____ in, I ____ two letters.
| A．had come, had written | B．came, wrote |
| C．come, have written | D．came, had written |