Stop talking and concentrate _________ your work.
A: on
B: in
C: at
A: on
B: in
C: at
举一反三
- Stop talking and concentrate<br/>_________<br/>your work. A: in B: for C: on D: at
- 10、Stop talking and concentrate _________ your work. A: A、 at B: B、 of C: C、 on D: D、 in
- Complete the following sentences with proper prepositions or adverbs. I will try my best to do the business _____ hand. Stop talking and concentrate ____ your work. I' ve seen them playing the piano ____ several occasions. Aim for the best, prepare _____ the worst. The school and the parents have been ____ close contact.
- During the office hours, you should focus your mind on your work. A: concentrate on B: complete C: remind D: pay for
- When you are sleeping _______ . A: all of you reflexes stop working B: most of your reflexes stop working C: many of your reflexes still work D: all of your reflexes still work