

1. The numbers of participants ( increase) ........ every week.
2. Nobody ( work) ........ harder than John.
3. I think she ( leave) .......... this afternoon.
4. Mumps ( be) ........... an infectious disease.
Thanks mn
2. Nobody ( work) ........ harder than John.
3. I think she ( leave) .......... this afternoon.
4. Mumps ( be) ........... an infectious disease.
Thanks mn
