In the face of the variation (变异) of the virus,not only China but also other countries to take action to fight against the crisis (危机).( )
have
has
having
—He’s never sung French songs before, has he? —___________. It’s his second time to sing in French.
It’s difficult ______me to afford the car. And It’s generous ______you to help me.
—Peter doesn’t mind lending you his camera. —He _______. I’ve already borrowed one.
I never doubt _____ this exhibition is worth ________.
— I’m new here. ---Take a map with you. You’ll find it of great _____ in helping you to find the way.