How careless Tom is! He forgot to remind his boss _____ the important meeting yesterday. 一 What is terrible! I am afraid his boss will never forgive him _____ his carelessness. [ ]

Look! There are __________ on the desk.

Why don’t we take a taxi to the Olympic Sports Center in Hexi? —I can’t ____ it. Let’s take the bus instead.

Smoking hasn’t been allowed in public places since May lst last year. It may be a good chance for people tosmoking.

My sister is only three years old. She can’t take care of _______.