问题

When we first met on a train in 2000, we both felt immediately that we _____each other for years

A:know
B:had known
C:know
D:have known

正确答案是：

同类题型

I don’t think waste watershould be put into the rivers or lakes.—-_____.It will cause muchwater pollution.

you must remain calm

__eastward,________ you’ll pass mountains and thousands oflakes and forests

Many athletes are clear that the Olympic Games are the only time ________ they will be watched by thousands of millions.

Checking your answers before handing in your paper can help you mistakes.