—Why didn't Alice come to the party last night?
—Because she ___________ online classes at that time.
A.takes B.took C.was taking D.has taken
We're practicing spoken English. Would you like to join ___________?
A.me B.us C.you D.them
—Lucy, where's your sister?
—Look! She ___________ in the yard with our dog.
A.played B.has played C.plays D.is playing
—Dad, ___________ will my mom come back? I miss her very much. —In a month.
A.how soon B.how often C.how long D.how far
She walked into the room ___________ in order not to wake up her baby.
A.clearly B.loudly C.easily D.quickly
Chinese scientists have made great ___________ in medical research.
A.attention B.progress C.information D.pride