I never worried about my son while I was away because my mother ______ him．（ ）
| A． |
drank a toast to |
B． |
played a joke on |
| C． |
kept an eye on |
D． |
made an apology to |
I'm going to _____ advantage of this tour to explore the history of the castle.
| A． |
put |
B． |
make |
C． |
take |
D． |
give |
The manager put forward a suggestion ____ we should have an assistant. There is too much work to do.
| A． |
whether |
B． |
that |
C． |
which |
D． |
what |
The weather forecast says it will be cloudy with a slight _____ of rain later tonight.
| A． |
effect |
B． |
sense |
C． |
change |
D． |
chance |
We will put off the picnic in the park until next week, ____ the weather may be better.
| A． |
that |
B． |
where |
C． |
which |
D． |
when |
Mary was silent during the early part of the discussion but finally she ____ her opinion on the subject.
| A． |
gave voice to |
B． |
kept an eye on |
| C． |
turned a deaf ear of |
D． |
set foot on |