Students in Grade Nine ____________a maths exam at this time yesterday．（ ）
A．takeB．are taking
C．were takingD．have taken
Welcome back to school， Tim． I want to know online．
Of course， Ms． Clark， I was hard﹣working． （ ）
| A． |
what you studied |
B． |
when you studied |
C． |
if you studied hard |
Why do many farmers put their products online these days？
them more easily． （ ）
A．To sellB．SellC．Selling
Bob， you in this city since 2018． How do you like it？ （ ）
| A． |
lived |
B． |
live |
C． |
have lived |
I won the first prize in the singing competition last week.
_________（ ）
| A． |
Good idea. |
B． |
I don't think so. |
| C． |
No way. |
D． |
Congratulations. |
If it doesn't rain tomorrow， we_________ a picnic.（ ）
| A． |
will have |
B． |
had |
C． |
have had |
D． |
was having |