A. which B. that C. what D. where
A. to ask B. asking C. ask D. asked
A. sounds B. tastes C. feels D. touches
A. in B. on C. under D. to
A. started B. to start C. starting D. start
A. Both of whom Both of which C. Both of them D. All of them
A. guide B. helper C. assistant D. doctor
A. at all B. just now C. all around D. right away
A. gives up B. gave up C. give up D. giving up