So far, the number of people using 5 G mobile phones __________ a lot.( )
is increasing
are increasing
has increased
have increased
The doctor said that there was _______ wrong with Jane’s legs. But she could do ______ to help her.
--I think she is ________at dancing than singing. --I think so.
--What you for your vacation? --I plan to visit my grandparents.
-- ? --I have a sore throat.
- How often do you visit your grandparents, Tom ? --__________