I wish to thank Mr. Lord, without _______ help I would never have got this chance.
A. who B. whose C. whom D. which
________the cost, that will be very little.
A．As for B．With C．Because of D．Besides
The fact has worried many scientists ________the earth is becoming warmer and warmer these years.
A．what B．which C．that D．whose
The number of foreign students attending Chinese universities ________rising steadily since 2010.
A．is B．are
C．has been D．have been
Only then ________how much damage had been caused.
A．she realized B．she had realized
C．had she realized D．did she realize
Memories ________on him as soon as he met the friend whom he had not heard from for over thirty years.
A．crowded in B．resulted in
C．joined in D．got in
