Li Lei has been to __________ many times this month.
——Hey, can I ask you a favor?――_______
The sunlight is white and blinding, _______ hard-edged shadows on the ground.
It was a real race _______ time to get the project done. Luckily, we made it.
“You can’t judge a book by its cover,” ________ .
There's no way of knowing why one man makes an important discoveryanother man, also intelligent, fails.