问题

Since we ____ for almost two weeks, I’ll need to buy a large backpack in advance to carry my supplies of food and water
A:have walked
B:will be walking
C:have been walking
D:walked
B:will be walking
C:have been walking
D:walked
正确答案是:
同类题型
Not until the next morning _____ how serious the situation was.
It was ________ fun to play on the beach that itattracted countless children.
Hello! May I speak to LiLei 一Sure.__________
Scissors can be dangerous, so don’t play with them.— _______ .
No sooner had he finished histalk he was surrounded by the workers.