So far, the number of people using 5 G mobile phones __________ a lot.( )
is increasing
are increasing
has increased
have increased
—What are Daming and Betty doing at the moment? —They__________a dragon dance.
My sister is only four years old, but she can________some English.
—Lingling,where________Tony_________from? —He comes from England.
—Mum,_________are my sport shoes? —They’re under your bed.
He is a_______, and he works in Beijing Hospital.