In order to live with happiness, we must learn to _____work with pleasure since as much as one of three life span or so will be spent on it.
| A．represent | B．combine |
| C．relate | D．impress |
Tony failed to finished his paper on time. If he ______ me about it, I would have came to his help.
| A．tell | B．told |
| C．had told | D．would tell |
There is an increasing concern _____________ about Ebola infection. Every country has taken necessary measures to prevent it.
| A．unnecessary | B．sudden |
| C．nationwide | D．worldwide |
In the noisy crowd, I had to raise my voice to make myself ___________.
| A．hear | B．hearing |
| C．to be heard | D．heard |
As we can see, Peter is very happy, so he___________ have passed the exam. After all, it’s not difficult at all.
| A．must | B．would |
| C．could | D．should |