Tom had his hands full yesterday, otherwise he ______ your graduation ceremony.
A.will attend B.had been attended
C.would attend D.would have attended
______ Sunday, the family decided to go for a picnic.
A.It was B.It is C.It being D.As was
If human has no awareness of protection, natural resources will ______ soon.
A.figure out B.try out C.find out D.run out
Her winning the championship of Poetry Contest was ______ her countless practice.
A.due to B.aimed to C.close to D.adjusted to
Belt and Road project has been on smoothly, ______ has led to more nations joining.
A.that B.which C.what D.it
______ in the queue for half an hour, the old man suddenly realized he had left the mobile phone in the car.
A.To wait B.To be waiting C.Having waited D.To have waited