Such books are not worthy ______ at all[ ]

Where ’s your mother — She ________ Shanghai . She won’t be back ________next week .

Go for a picnic this weekend, OK—— __________ I love getting close to nature.

Yesterday I bought a robot, which could help me to clean the floor.—Really That’s great. I’ll buy .

I’m a shy guy. It _____ me most when a stranger stares at me for a long time. [ ]