I found __________ hard to concentrate.
I found __________ hard to concentrate.
Your __________ interruptions are making it very difficult for me to concentrate.
Your __________ interruptions are making it very difficult for me to concentrate.
2. To take good minutes, you really need to concentrate.
2. To take good minutes, you really need to concentrate.
I found ____________ hard to concentrate. A: this B: that C: it D: what
I found ____________ hard to concentrate. A: this B: that C: it D: what
____ Many studies reveal that eating breakfast helps people memorise and concentrate.
____ Many studies reveal that eating breakfast helps people memorise and concentrate.
________you need to be able to concentrate. A: At work B: Work C: Working D: Worked
________you need to be able to concentrate. A: At work B: Work C: Working D: Worked
concentrate _______ 全神贯注于
concentrate _______ 全神贯注于
23. What does Look-Look concentrate on?
23. What does Look-Look concentrate on?
Jane (had) a great (deal of) trouble (to concentrate on) her study (because of) the noise in the next room. A: had B: deal of C: to concentrate on D: because of
Jane (had) a great (deal of) trouble (to concentrate on) her study (because of) the noise in the next room. A: had B: deal of C: to concentrate on D: because of
to apply oneself to serious matters; concentrate on work:
to apply oneself to serious matters; concentrate on work: