---How often do you eat out?
---______, but usually once a week.
A. Have no idea B. As usualC. It depends D. Generally speaking
--Have the police found the parents of the baby found by the road?
---Not yet. His identity ______.
A. would be found out B. has been found out
C. is being found out D. had been found out
---Mr. Smith, ______ he have all these letters typed for you right away?
---He ______. They should be ready by 10 o’clock this morning.
A. will; must B. shall; has to C. need; will D. would; ought to
I won’t give you such help ______ you tell me the truth. It’s beyond my ability.
A. when B. since C. if D. even if
---Mary has been trained hard for the last two years.
---______ she did so well at the track and field meet yesterday.
A. No doubt B. No question C. No wonder D. No problem
When ______ comes to research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.
A. that B. it C. this D. what