__________ the convenience of digital payment, many senior citizens started to use smart phones.
A
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Auniversityisaneducationalinstitutionwhich_____degreesandcarriesoutresearch.
Weareinterestedintheweatherbecauseit_____ussodirectly------whatwewear,whatwedo,andevenhowwefeel.
Willallthose_____theproposalraisetheirhands?
Teachershavetoconstantlyupdatetheirknowledgeinordertomaintaintheirprofessional___.