问题

One advantage of eating a balanced breakfast is _____ it can keep you energetic throughout the day

A:that
B:how
C:when
D:whether

正确答案是：

同类题型

I wonder ________ the equipment will be available in ten days.

Peter _______ annoyed on the phone, but I really had no idea what was wrong.

The Long River is one of ______in China.

Jenny is interested in ____ in herfree time.

We can avoid _____ with rest and a balanced diet.[ ]