18.
A: unless
B: because
C: though
D: until
A: unless
B: because
C: though
D: until
举一反三
- 17. A: because B: unless C: until D: though
- They didn’t go for a walk______ it was raining. A: though B: because C: until D: unless
- I still keep taking exercise every day _______ I am busy with so many subjects. A: until B: unless C: because D: though
- Youcan’tbelievehowterriblethefireis__________youseeitwithyourowneyes. A: though B: because C: unless D: since
- People invest money in this company _________________ they believe it will make profit. A: though B: ecause C: unless D: Until