问题

I’d like to invite you to my birthday party this evening.—Thanks, but ____ I’ll have time I’m not sure at the moment.

A:while
B:whether
C:if
D:when

正确答案是：

同类题型

Have you got any idea for the summer vacation? -I don’t mind where we go there’s sun,sea and beach[ ]

There _________ a football match tomorrow afternoon.

tomorrow, our ship will set sail for Macao.

Finally we decided to fly to France for the winter holiday on our first stop， we planned to stay for three days

Why don’t we go climbing tomorrow — ___________