60._________A. playB. hearC. collectD. analyze

The following are all dynamic verbs（动态动词)EXCEPT_____.A．playB．leaveC．hitD．smell

Mark and Paul can ______ basketball.A、playB、playsC、playingD、played

Is it difficult to learn to_____ Tai Chi？A.playB.goC.do

They finished_____ tennis at seven.A. to playB. playingC. on playing

Smith is often heard______the guitar every night in his room.A．playB．playsC．playedD．to pla

Several factors are ________ in the process of development.A at playB at onceC at home