keep track of regardless of be related to remind sb． of… sooner or later be used to in return show up take a risk take turns beyond one's reach reply to

（1）Mr． White is always helping those in trouble without expecting anything

in return

in return

．
（2）They had invited about 100 guests， but more than 200 people

showed up

showed up

， to their shock．
（3）As a doctor， James used to

keep track of

keep track of

the latest developments in medicine．
（4）He says what he thinks and does what he wants to do，

regardless of

regardless of

others' feelings．
（5）It's a long way from here and let's

take turns

take turns

to drive in case you get too tired．
（6）I

was reminded of

was reminded of

my responsibilities by his speech last week．
（7）In his inspiring speech， he talked about matters

related to

related to

responsibilities．
（8）Honestly， I don't know how to

reply to

reply to

your question．
（9）One cannot be successful in business unless one is willing

to take a risk

to take a risk

．
（10）If you keep working like this， you will break down

sooner or later

sooner or later

．