All done!Let's swim，Martine!
Swimming!I just _______get used to it in winter．（ ）
A．can'tB．shouldn'tC．mustn'tD．needn't
Some new airports in the west of our country． It will save our time to go there．（ ）
| A． |
build |
B． |
will build |
| C． |
will be built |
D． |
were built |
My Chinese teacher always _____ us to read more books．（ ）
| A． |
tell |
B． |
tells |
C． |
will tell |
D． |
told |
With 5G network， driverless cars will run than before．（ ）
| A． |
safe |
B． |
safer |
| C． |
safely |
D． |
more safely |
Meimei is going to be an older sister．Her parents are planning to have their ________ child．（ ）
| A． |
one |
B． |
two |
C． |
first |
D． |
second |
If we walk in snowy weather， maybe we'll fall over．（ ）
| A． |
quickly |
B． |
friendly |
C． |
happily |
D． |
slowly |