托业考试

试题来源：托业-4
【单选题】 The new employees will ______ during training sessions.
A．(A) catch out
B．(B) catch on
C．(C) catch in
D．(D) catch down

参考答案：B
网考网解析：
To catch on means to become familiar with doing so... 查看试题解析出处>>