Look! The ground is wet. It must have rained last night, ________？
| A．hasn't it | B．hadn't it |
| C．mustn't it | D．didn't it |
Due to a terrible flu that ________ on, many students don’t show up to school today.
| A．goes | B．was going | C．is going | D．has gone |
After looking at many new cars, I found ________ which I would accept just as suitable.
| A．it | B．this | C．that | D．one |
which has ________ food and drink channel with clear explanations, is very popular website.
| A．a; the | B．the; 不填 | C．a; a | D．不填; a |
The manager promised to keep me _______ of _______ our business was going on well.
| A．informed; whether | B．informing; how | C．informing; whether | D．informed; how |
Buses have routes. They _______ and _______ people at different places on the routes.
| A．take on, get off | B．pick up, drop off | C．take up; take off | D．pick out; drop out |