Hello， John． This is Mike． What are you doing now？
I'm watching a film on TV． It_____at 7：30 and will be on for another hour．（ ）
| A． |
starts |
| B． |
started |
| C． |
has started |
This is____friend，Sam．（ ）
| A． |
I |
B． |
my |
C． |
me |
﹣﹣May I come in？____，please．（ ）
| A． |
Hold on |
B． |
Sit down |
C． |
Come in |
Boys and girls，look____the blackboard，please．（ ）
| A． |
at |
B． |
out |
C． |
in |
I will never forget the people help me a lot in my life．（ ）
| A． |
whose |
B． |
when |
C． |
which |
D． |
who |
We should study hard we can get much knowledge．（ ）
| A． |
when |
B． |
so that |
C． |
unless |
D． |
in order to |