The volunteers ________ a lot of help to the old and the young since 2010．（ ）
A．offeredB．have offered
C．are offeringD．will offer
In the last few months， the teachers have given lessons____the Internet as webcasts（主播）．（ ）
| A． |
for |
B． |
at |
C． |
in |
D． |
on |
____？
It's July 27th．（ ）
| A． |
What day is it today |
| B． |
What's the date today |
| C． |
What's it like |
| D． |
What's the time |
____was the car invented？
It was invented in 1885． （ ）
| A． |
When |
B． |
Which |
C． |
Who |
D． |
Where |
His father is a great____in Leishenshan Hospital in Wuhan． He is so busy that he hasn't had a good rest for several months．（ ）
A．actorB．singerC．violinistD．doctor
Jimmy， are you the only child in your family？
No， I have____active sister．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |