How long do you think it will be ______ another e-commerce giant comes out to exceed Alibaba?
The information given by his brother _____ the mystery of his disappearance.
Do you expect _____ to be a possibility that we shall be able to afford the special furniture that we need?
May I ______ whole-heartedly into the fight?
All the information we have collected in relation to that case ______ very little.
The novel is so badly written that I can hardly ______ what the writer is trying to say.