A. worked B. working C. to work D. work
A. whose B. that C. which D. what
A. at last B. at first C. at most D. at once
A. impression B. explanation C. education D. communication
A. finishes B. has finished C. had finished D. will have finished
A. when B. which C. that D. as
A. work out B. put on C. fill up D. carry on
A. catch B. keep C. take D. bring
A. with B. for C. on D. to
A. look up B. ring up C. give up D. make up
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