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?
---It ________ be, 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
---It’s a long time since I saw my sister. ---_______________ her this weekend?
A. Why not visit B. why not to visit
C. Why not visiting D. Why don’t visit
