— Could I have the small table by the window?
— Sorry, sir. It ______ in advance.
| A．booked | B．will be booked | C．had booked | D．has been booked |
To save class time,our teacher has_______students do half of the exercise in class and complete the other half for our homework.
| A．us | B．we |
| C．our | D．ours |
It’s hard for him playing against me.I’ve got nothing to play for,but for him,he needs to win so_______.
| A．far | B．well |
| C．little | D．badly |
As the years passed,many occasions—birthdays,awards,graduations—_______with Dad’s flowers.
| A．are marked | B．were marked |
| C．have marked | D．had marked |
The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.
| A．shan’t | B．can’t |
| C．needn’t | D．mustn’t |
Polar bears live mostly on_______sea ice,which they use as_______platform for hunting seals.
| A．a;a | B．a;the |
| C．不填;a | D．the;不填 |