We each ______ WeChat nowadays，even the old people．（ ）
| A． |
play |
B． |
plays |
C． |
playing |
The team leader asked him to go and care of the old couple．（ ）
A
| A． |
．take |
B． |
taken |
C． |
taking |
D． |
takes |
A letter to you by the boss in one or two weeks．（ ）
| A． |
is sent |
B． |
will send |
C． |
sends |
D． |
will be sent |
Write it down you forget it．（ ）
| A． |
after |
B． |
until |
C． |
before |
D． |
as soon as |
﹣﹣﹣ you look tired． What's wrong？
﹣﹣﹣ I up late last night．（ ）
| A． |
stay |
B． |
stayed |
C． |
will stay |
D． |
am staying |
Don't worry． I'll do what I to help you．（ ）
| A． |
can |
B． |
may |
C． |
must |
D． |
need |