The restaurant is very popular because the waiters there are ___________ customers.
A.thirsty for B.strict with C.hard on D.friendly to
—Look! The children are playing in the swimming pool.
—___________ great fun they are having!
A.What B.How C.What a D.How a
—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