Not until I began to work ________ how much time I had wasted.
A. didn’t realize B. did I realize C. I didn’t realize D. I realized
_______ can you expect to get a pay rise.
A. With hard work B. Although work hard C. Only with hard work D. Now that he works hard
A driver should ________ the road when _________.
A. concentrate on; drive B. concentrate in; driving
C. concentrate to; drove D. concentrate on; driving
What he said was of ________.
A. great importance B. important C. great important D. importantly
_________, the subject belongs to biology.
A. Strictly spoken B. Spoken strictly C. Strictly speaking D. Speaking strictly
_____seems _______something unusual in his eyes.
A. It; being B. It; to be C. There ;to be D. There; being