John is going to Hong Kong. He is leaving on ______________ first week in June.
| A．a | B．the | C．/ | D．an |
—What is he doing for vacation? He’s _________her brother.
| A．babysit | B．babysat | C．babysitted | D．babysitting |
______I have one healthy habit, ______I’m not very healthy.
| A．Although , but | B．Although, / | C．Although ,so | D．but , / |
Mary couldn’t go to the cinema with us because she had to _____ her little brother.
| A． look for | B． look after | C． look at | D． look into |
Please drink some milk. It’s good ______your health.
| A． to | B． for | C．at | D． with |