_____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
A.Even if | B.As far as | C.If only | D.So long as |
---I’m sorry I broke the vase.
---0h.______.It wasn’t very expensive.
A.you’d better not | B.I’m afraid not |
C.as you wish | D.that’s all right |
Take your time—it’s just ______ short distance from here to ___ restaurant.
A.不填;the | B.a;the | C.the;a | D.不填;a |
animal
A.achieve | B.anything | C.advance | D.anxious |
center
A.ocean | B.decide | C.cause | D.socialist |
ground
A.house | B.country | C.group | D.cough |