-- Where is Matthew now?He ________ at the gym.
A: works out
B: was working
C: worked out
D: is working out
A: works out
B: was working
C: worked out
D: is working out
举一反三
- If only everything（ ）out as we wanted it to in life. A: works B: worked C: is working D: has worked
- Where is Matthew now? He at the gym.
- As we all know, Jack is experienced _____ the problem of this kind. A: to work out B: at working C: at working out D: for working out
- He has been working out in the gym to stay_____. A: A. healthily B: B. healthy C: C. health D: D. healthiness
- The new trend here is _______ in the cold! A: work out B: working out C: working