  The two-step process of transfer followed by breakup is explored by measuring
a rather complete set of exclusive data for reaction channels populating states
in the ejectile continua of the $^7$Li+$^{93}$Nb system at energies close to
the Coulomb barrier. The cross sections for $\alpha+\alpha$ events from one
proton pickup were found to be smaller than those for $\alpha+d$ events from
one neutron stripping and $\alpha+t$ events from direct breakup of $^7$Li.
Coupled channels Born approximation and continuum discretized coupled channels
calculations describe the data well and support the conclusion that the
$\alpha+d$ and $\alpha+\alpha$ events are produced by direct transfer to
unbound states of the ejectile.
