Theprintercan_______witheitheraUSBoraparallelcable.
A. use
B. beused
C. beusing
D. isused
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Theletter_______Ireceivedyesterdayisfrommysister.
A. that
B. why
C. who
D. whose
______youmindgivingmealiftifyoucould?
A. Would
B. Must
C. Shall
D. Should
Water ___________ in seas, rivers and lakes.
A. exists
B. keeps
C. stays
D. lives
You will never know the result ___________ you try.
A. even though
B. in case
C. whenever
D. until