I think that this meal was well worth _____ was charged for it. 　　[ ]

How many letters have you got from your online friends since last year—_______. We’re just chatting with each other when we’re free.

Don’t make the student _____ so long.

.—Steven,can you help me buy some meat— ______,I like shopping.

The Great Wall is famous, so every year _____people come to visit it.