To keep healthy, Professor Johnson ____ cycling as a regular form of exercise after he retired.
| A．made up | B．put up | C．took up | D．carried out |
Rather than _______ on a crowded bus, he always prefers ______ a bike.
| A．ride; to ride | B．riding; ride |
| C．ride; ride | D．to ride; riding |
________ I came, the city wasn’t so beautiful.
| A．For the first time | B．At the first time |
| C．The first time when | D．The first time |
Where and when to go for the holiday still ______.
| A．are remained to decide | B．is remaining to decide |
| C．remain to be decided | D．remains to be decided |
It is usually warm in my hometown in March, but it ______ be rather cold sometimes.
| A．must | B．can | C．should | D．would |
Please put the bottle on the top shelf, out of the children’s __________.
| A．reach | B．hand | C．hold | D．order |