Although I majored in English, language _______ became a challenge when I set foot in the USA for the first time.
| A．luckily | B．naturally | C．surprisingly | D．gradually |
I smell something __________ in the kitchen. Can I call you back in a minute?
| A．burning | B．burnt | C．being burnt | D．to be burnt |
We all know that, __________, the situation will get worse.
| A．not if dealt carefully with | B．if not carefully dealt with |
| C．if dealt not carefully with | D．not if carefully dealt with |
---How's your tour around the North Lake? Is it beautiful?
---Itbe, but it is now heavily polluted.
| A． | will | B． | would | C． | should | D． | must |
I won’t call you, ________ something unexpected happens.
| A．unless | B．whether | C．because | D．while |
---The last one __________________ pays the meal.
---Agreed!
| A．arrived | B．arrives | C．to arrive | D．arriving |