Is that boy Tom？
It ___________ be Tom．He has gone to his hometown to visit his grandparents．（ ）
| A． |
can |
B． |
can't |
C． |
must |
D． |
mustn't |
Could you share with me ______ of your speaking skills？ They're useful．
Yes， I' d love to．（ ）
| A． |
few |
B． |
a few |
C． |
little |
D． |
a little |
We can't cross the road ______ the traffic lights turn green．（ ）
| A． |
until |
B． |
if |
C． |
while |
D． |
as |
My mother is seriously ill．I have to ______ her at home．（ ）
| A． |
look at |
B． |
look up |
C． |
look for |
D． |
look after |
The 5G network will make it easier for us ______our life．（ ）
| A． |
enjoy |
B． |
to enjoy |
C． |
enjoyed |
D． |
enjoying |
Would you like to go there at 8： 30 tomorrow morning？
Why not make it a little ______？ How about 8：00？（ ）
| A． |
late |
B． |
later |
C． |
early |
D． |
earlier |