Chọn đáp án và giải thích giúp mình với
1. In an effort... customers with respect, we have changed our hours to accommodate customer needs.
A. Treating B. Has treated C. Treated D. To treat
2. Some crimes seem to be... in this country than in others.
A. Less common enough
B. Much less common
C. The least common
D. Very less common
3. Mr. Barry oversaw the development of the Nissan Building... its initial stages to its completion
A. of
B. to
C. from
D. about
4. The meeting has been put... to Friday as many people have got flu
A. up
B. in
C. out
D. back
5. Tuna,... , may weigh up 1000 pounds
A. is the sea giant
B. can be giants of the sea
C. the sea of the giant
D. one of the sea giants