If there is any way we can be of assistance, please do not hesitateto _____us.A. con

If we work with a strong will, we can overcome any difficulty,（)great it is.A．what B．how

If we work with a strong will, we can overcome any difficulty, what great it is.（)

If there______any new developments in this case, we will let you know immediately.A．have b

Don’t hesitate to call me if there is any

If there is any change about the time of the meet

There are several ways ___________ we can cross t