What? Is it the first time that this _________?
| A．happened | B．has happened | C．had happened | D．happens |
Without the timely aid from different provinces, the affected people in those areas ________ the difficulty.
| A．wouldn’t overcome | B．mustn’t have overcome |
| C．hadn’t overcome | D．wouldn’t have overcome |
Process has been very smooth. ______, we are not confident that it will be completed on time.
| A．Therefore | B．Besides | C．Though | D．However |
______ Chinese international medical relief team was sent to the 7.0-magnitude quake-hit areas in ______Southwest China's Sichuan province the moment it happened.
| A．A; the | B．The; the | C．A; / | D．The; / |
----Do you think I should get a good guidebook when I am travelling in Beijing?
----Yes, of course. _____, you also need a good camera and comfortable shoes.
| A．In that case | B．In other words |
| C．By the way | D．What’s more |
In recent days, 33 persons have been infected with the H7N9 virus, _____9 deaths.
| A．causing | B．caused | C．to cause | D．cause |