Becky doesn't often eat breakfast．
Too bad． She doesn't realize the ____ of breakfast．（ ）
| A． |
secret |
B． |
hobby |
C． |
result |
D． |
importance |
My friend Tony is always behind me to encourage and help me to get over all the difficulties．
He is so kind． This is _________（ ）
| A． |
Many hands make light work． |
| B． |
A friend in need is a friend indeed． |
| C． |
No pains， no gains． |
| D． |
East and west， home is the best． |
It's said that the two _________ doctors have just come back from Wuhan．
Yeah， I know them． They are both already in their_________（ ）
| A． |
woman； sixty |
B． |
women； sixtieth |
| C． |
women； sixties |
D． |
woman； sixties |
Did you notice _________ in his office？
Yes， he was going over our homework．（ ）
| A． |
what Mr． Li was doing |
| B． |
how was Mr． Li doing |
| C． |
how Mr． Li was doing |
| D． |
what Mr． Li is doing |
Jenny， do you know if your mother _______ back tomorrow？
Sorry， I don't know． As soon as she _________ home， I will tell her to call you．（ ）
| A． |
comes； gets |
B． |
will come； gets to |
| C． |
will come； will get |
D． |
will come； gets |
Of the two math problems， I can just work out _________ one．（ ）
| A． |
the less difficult |
B． |
more difficult |
| C． |
the more difficult |
D． |
less difficult |