Seeing their teacher _______ into the classroom, they stopped _______ at once.
A.walk; telling B.entering; to speak
C.enter; to tell D.walking; talking
— I’m looking forward to _____my parents soon. What about you?
— Me too.
A.seeing B.see
C.saw D.to see
Everyone may feel time____ very quickly when they do something interesting.
A.go by B.to go by
C.went by D.going by
Our English teacher often says to us,“____ English well is very important.”
A.Learn B.Learning
C.Learned D.To learning
Many children are left alone in the countryside. Let’s try our best ____ them.
A.help B.helping
C.to help D.helps
—What about _____ a rest?
—Let's go for a walk.
A.to take B.take
C.taking D.taken