问题

She always watches her son ________ the road everymorning, or she will feel worried.
A: crossing
B:cross
C:to cross
D:to crossing
B:cross
C:to cross
D:to crossing
正确答案是:
同类题型
Paul invited us to take part in a party tomorrow evening.—________.Is tomorrow his birthday
He asked whether we were ________ women taking part in political activities
What bad weather!—Yes. The weather report says it will be even________ later on.