__________ the employees’ working efficiency, the supervisor will allow them to have a coffee break.
A.Improving | B.To improve |
C.Having improved | D.Improved |
The amount of money that he saved reached _________ 30000 dollars.
A.as many as | B.as much as | C.as high as | D.as far as |
It is pretty well understood_______controls the flow of carbon dioxide in and out of the atmosphere today.
A.that | B.when | C.what | D.which |
Mary got into acting purely _____________.
A.accidental | B.accident | C.by accident | D.with accident |
It is no use thinking about your ________ youth.
A.gone | B.lost | C.missed | D.losing |
---Must he come to sign this paper himself?
---Yes.He______ .
A.need | B.must | C.may | D.will |